Revert "E2E test setting and using isolate names (#23388)" (#23416)

This reverts commit 93573de2165c750fdeefcd2d620e2b8bd494fed6.

Fails in the devicelab:

```
run:stderr: A problem occurred evaluating project ':app'.
run:stderr: > Could not resolve all files for configuration 'classpath'.2018-10-23T10:46:46.335864:
run:stderr:    > Could not find aapt2-proto.jar (com.android.tools.build:aapt2-proto:0.3.1).2018-10-23T10:46:46.335960:
run:stderr:      Searched in the following locations:2018-10-23T10:46:46.336048:
```
diff --git a/dev/devicelab/bin/tasks/named_isolates_test.dart b/dev/devicelab/bin/tasks/named_isolates_test.dart
deleted file mode 100644
index 0373f7d..0000000
--- a/dev/devicelab/bin/tasks/named_isolates_test.dart
+++ /dev/null
@@ -1,111 +0,0 @@
-import 'dart:async';
-import 'dart:convert';
-import 'dart:io';
-
-import 'package:meta/meta.dart';
-import 'package:path/path.dart' as path;
-
-import 'package:flutter_devicelab/framework/adb.dart';
-import 'package:flutter_devicelab/framework/framework.dart';
-import 'package:flutter_devicelab/framework/utils.dart';
-
-const String _kActivityId = 'io.flutter.examples.named_isolates/com.example.view.MainActivity';
-const String _kFirstIsolateName = 'first isolate name';
-const String _kSecondIsolateName = 'second isolate name';
-
-void main() {
-  task(() async {
-    final AndroidDevice device = await devices.workingDevice;
-    await device.unlock();
-
-    section('Compile and run the tester app');
-    Completer<void> firstNameFound = Completer<void>();
-    Completer<void> secondNameFound = Completer<void>();
-    final Process runProcess = await _run(device: device, command: <String>['run'], stdoutListener: (String line) {
-      if (line.contains(_kFirstIsolateName)) {
-        firstNameFound.complete();
-      } else if (line.contains(_kSecondIsolateName)) {
-        secondNameFound.complete();
-      }
-    });
-
-    section('Verify all the debug isolate names are set');
-    runProcess.stdin.write('l');
-    await Future.wait<dynamic>(<Future<dynamic>>[firstNameFound.future, secondNameFound.future])
-                .timeout(Duration(seconds: 1), onTimeout: () => throw 'Isolate names not found.');
-    await _quitRunner(runProcess);
-
-    section('Attach to the second debug isolate');
-    firstNameFound = Completer<void>();
-    secondNameFound = Completer<void>();
-    final String currentTime = (await device.shellEval('date', <String>['"+%F %R:%S.000"'])).trim();
-    await device.shellExec('am', <String>['start', '-n', _kActivityId]);
-    final String observatoryLine = await device.adb(<String>['logcat', '-e', 'Observatory listening on http:', '-m', '1', '-T', currentTime]);
-    print('Found observatory line: $observatoryLine');
-    final String observatoryPort = RegExp(r'Observatory listening on http://.*:([0-9]+)').firstMatch(observatoryLine)[1];
-    print('Extracted observatory port: $observatoryPort');
-    final Process attachProcess =
-      await _run(device: device, command: <String>['attach', '--debug-port', observatoryPort, '--isolate-filter', '$_kSecondIsolateName'], stdoutListener: (String line) {
-        if (line.contains(_kFirstIsolateName)) {
-          firstNameFound.complete();
-        } else if (line.contains(_kSecondIsolateName)) {
-          secondNameFound.complete();
-        }
-      });
-    attachProcess.stdin.write('l');
-    await secondNameFound.future;
-    if (firstNameFound.isCompleted)
-      throw '--isolate-filter failed to attach to a specific isolate';
-    await _quitRunner(attachProcess);
-
-    return TaskResult.success(null);
-  });
-}
-
-Future<Process> _run({@required Device device, @required List<String> command, @required Function(String) stdoutListener}) async {
-  final Directory appDir = dir(path.join(flutterDirectory.path, 'dev/integration_tests/named_isolates'));
-  Process runner;
-  bool observatoryConnected = false;
-  await inDirectory(appDir, () async {
-  runner = await startProcess(
-      path.join(flutterDirectory.path, 'bin', 'flutter'),
-      <String>['--suppress-analytics', '-d', device.deviceId] + command,
-      isBot: false, // we just want to test the output, not have any debugging info
-    );
-    final StreamController<String> stdout = StreamController<String>.broadcast();
-
-    // Mirror output to stdout, listen for ready message
-    final Completer<void> appReady = Completer<void>();
-    runner.stdout
-      .transform<String>(utf8.decoder)
-      .transform<String>(const LineSplitter())
-      .listen((String line) {
-        print('run:stdout: $line');
-        stdout.add(line);
-        if (parseServicePort(line) != null) {
-          appReady.complete();
-          observatoryConnected = true;
-        }
-        stdoutListener(line);
-      });
-    runner.stderr
-      .transform<String>(utf8.decoder)
-      .transform<String>(const LineSplitter())
-      .listen((String line) {
-        stderr.writeln('run:stderr: $line');
-      });
-
-    // Wait for either the process to fail or for the run to begin.
-    await Future.any<dynamic>(<Future<dynamic>>[ appReady.future, runner.exitCode ]);
-    if (!observatoryConnected)
-      throw 'Failed to find service port when running `${command.join(' ')}`';
-  });
-  return runner;
-}
-
-Future<void> _quitRunner(Process runner) async {
-  runner.stdin.write('q');
-  final int result = await runner.exitCode;
-  if (result != 0)
-    throw 'Received unexpected exit code $result when quitting process.';
-}
diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index c82accd..0cc7e5a 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -283,13 +283,6 @@
     stage: devicelab
     required_agent_capabilities: ["linux/android"]
 
-  named_isolates_test:
-    description: >
-      Tests naming and attaching to specific isolates.
-    stage: devicelab
-    required_agent_capabilities: ["linux/android"]
-    flaky: true
-
   flutter_create_offline_test_linux:
     description: >
       Tests the `flutter create --offline` command.
diff --git a/dev/integration_tests/named_isolates/README.md b/dev/integration_tests/named_isolates/README.md
deleted file mode 100644
index a9f3fc5..0000000
--- a/dev/integration_tests/named_isolates/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Integration app for testing multiple named isolates.
\ No newline at end of file
diff --git a/dev/integration_tests/named_isolates/android/app/build.gradle b/dev/integration_tests/named_isolates/android/app/build.gradle
deleted file mode 100644
index 603ec13..0000000
--- a/dev/integration_tests/named_isolates/android/app/build.gradle
+++ /dev/null
@@ -1,52 +0,0 @@
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
-    }
-}
-
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
-apply plugin: 'com.android.application'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
-android {
-    compileSdkVersion 27
-
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-
-    defaultConfig {
-        applicationId "io.flutter.examples.named_isolates"
-        minSdkVersion 16
-        targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-    }
-
-    buildTypes {
-        release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
-        }
-    }
-}
-
-flutter {
-    source '../..'
-}
-
-dependencies {
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:design:27.1.1'
-}
diff --git a/dev/integration_tests/named_isolates/android/app/src/main/AndroidManifest.xml b/dev/integration_tests/named_isolates/android/app/src/main/AndroidManifest.xml
deleted file mode 100644
index 3bdbf10..0000000
--- a/dev/integration_tests/named_isolates/android/app/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.view">
-
-    <!-- The INTERNET permission is required for development. Specifically, flutter needs it to communicate with the running application
-         to allow setting breakpoints, to provide hot reload, etc.
-    -->
-    <uses-permission android:name="android.permission.INTERNET"/>
-
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application android:name="io.flutter.app.FlutterApplication" android:label="named_isolates">
-        <activity android:name=".MainActivity"
-                  android:launchMode="singleTop"
-                  android:theme="@style/Theme.AppCompat"
-                  android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
-                  android:hardwareAccelerated="true"
-                  android:windowSoftInputMode="adjustResize">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
-            </intent-filter>
-        </activity>
-    </application>
-</manifest>
diff --git a/dev/integration_tests/named_isolates/android/app/src/main/java/com/example/view/MainActivity.java b/dev/integration_tests/named_isolates/android/app/src/main/java/com/example/view/MainActivity.java
deleted file mode 100644
index 5b497e7..0000000
--- a/dev/integration_tests/named_isolates/android/app/src/main/java/com/example/view/MainActivity.java
+++ /dev/null
@@ -1,71 +0,0 @@
-package com.example.view;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.design.widget.FloatingActionButton;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.view.View;
-import android.widget.TextView;
-import io.flutter.plugin.common.BasicMessageChannel;
-import io.flutter.plugin.common.BasicMessageChannel.MessageHandler;
-import io.flutter.plugin.common.BasicMessageChannel.Reply;
-import io.flutter.plugin.common.StringCodec;
-import io.flutter.view.FlutterMain;
-import io.flutter.view.FlutterRunArguments;
-import io.flutter.view.FlutterView;
-import java.util.ArrayList;
-
-public class MainActivity extends AppCompatActivity {
-    private FlutterView firstFlutterView;
-    private FlutterView secondFlutterView;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        FlutterMain.ensureInitializationComplete(getApplicationContext(), null);
-        setContentView(R.layout.flutter_view_layout);
-        ActionBar supportActionBar = getSupportActionBar();
-        if (supportActionBar != null) {
-            supportActionBar.hide();
-        }
-
-        FlutterRunArguments firstRunArguments = new FlutterRunArguments();
-        firstRunArguments.bundlePath = FlutterMain.findAppBundlePath(getApplicationContext());
-        firstRunArguments.entrypoint = "first";
-        firstFlutterView = findViewById(R.id.first);
-        firstFlutterView.runFromBundle(firstRunArguments);
-
-        FlutterRunArguments secondRunArguments = new FlutterRunArguments();
-        secondRunArguments.bundlePath = FlutterMain.findAppBundlePath(getApplicationContext());
-        secondRunArguments.entrypoint = "second";
-        secondFlutterView = findViewById(R.id.second);
-        secondFlutterView.runFromBundle(secondRunArguments);
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (firstFlutterView != null) {
-            firstFlutterView.destroy();
-        }
-        if (secondFlutterView != null) {
-            secondFlutterView.destroy();
-        }
-        super.onDestroy();
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        firstFlutterView.onPause();
-        secondFlutterView.onPause();
-    }
-
-    @Override
-    protected void onPostResume() {
-        super.onPostResume();
-        firstFlutterView.onPostResume();
-        secondFlutterView.onPostResume();
-    }
-}
diff --git a/dev/integration_tests/named_isolates/android/app/src/main/res/layout/flutter_view_layout.xml b/dev/integration_tests/named_isolates/android/app/src/main/res/layout/flutter_view_layout.xml
deleted file mode 100644
index 2187f69..0000000
--- a/dev/integration_tests/named_isolates/android/app/src/main/res/layout/flutter_view_layout.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
-  android:orientation="vertical"
-  android:layout_width="match_parent"
-  android:layout_height="match_parent"
-  >
-
-  <io.flutter.view.FlutterView
-    android:id="@+id/first"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_weight="1"
-    />
-
-  <io.flutter.view.FlutterView
-    android:id="@+id/second"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_weight="1"
-    />
-
-</LinearLayout>
diff --git a/dev/integration_tests/named_isolates/android/build.gradle b/dev/integration_tests/named_isolates/android/build.gradle
deleted file mode 100644
index d4225c7..0000000
--- a/dev/integration_tests/named_isolates/android/build.gradle
+++ /dev/null
@@ -1,29 +0,0 @@
-buildscript {
-    repositories {
-        google()
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        jcenter()
-    }
-}
-
-rootProject.buildDir = '../build'
-subprojects {
-    project.buildDir = "${rootProject.buildDir}/${project.name}"
-}
-subprojects {
-    project.evaluationDependsOn(':app')
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
diff --git a/dev/integration_tests/named_isolates/android/gradle.properties b/dev/integration_tests/named_isolates/android/gradle.properties
deleted file mode 100644
index 8bd86f6..0000000
--- a/dev/integration_tests/named_isolates/android/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-org.gradle.jvmargs=-Xmx1536M
diff --git a/dev/integration_tests/named_isolates/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/named_isolates/android/gradle/wrapper/gradle-wrapper.properties
deleted file mode 100644
index 9372d0f..0000000
--- a/dev/integration_tests/named_isolates/android/gradle/wrapper/gradle-wrapper.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-#Fri Jun 23 08:50:38 CEST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/dev/integration_tests/named_isolates/android/settings.gradle b/dev/integration_tests/named_isolates/android/settings.gradle
deleted file mode 100644
index 115da6c..0000000
--- a/dev/integration_tests/named_isolates/android/settings.gradle
+++ /dev/null
@@ -1,15 +0,0 @@
-include ':app'
-
-def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
-
-def plugins = new Properties()
-def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
-if (pluginsFile.exists()) {
-    pluginsFile.withInputStream { stream -> plugins.load(stream) }
-}
-
-plugins.each { name, path ->
-    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
-    include ":$name"
-    project(":$name").projectDir = pluginDirectory
-}
diff --git a/dev/integration_tests/named_isolates/lib/main.dart b/dev/integration_tests/named_isolates/lib/main.dart
deleted file mode 100644
index ec09c9e..0000000
--- a/dev/integration_tests/named_isolates/lib/main.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-import 'dart:ui' as ui;
-import 'package:flutter/material.dart';
-
-// named_isolates_test depends on these values.
-const String _kFirstIsolateName = 'first isolate name';
-const String _kSecondIsolateName = 'second isolate name';
-
-void first() {
-  _run(_kFirstIsolateName);
-}
-
-void second() {
-  _run(_kSecondIsolateName);
-}
-
-void _run(String name) {
-  ui.window.setIsolateDebugName(name);
-  runApp(Center(child: Text(name, textDirection: TextDirection.ltr)));
-}
-
-// `first` and `second` are the actual entrypoints to this app, but dart specs
-// require a main function.
-void main() { }
diff --git a/dev/integration_tests/named_isolates/pubspec.yaml b/dev/integration_tests/named_isolates/pubspec.yaml
deleted file mode 100644
index 2361026..0000000
--- a/dev/integration_tests/named_isolates/pubspec.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: named_isolates
-description: Tester app for naming specific isolates.
-
-environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
-
-dependencies:
-  flutter:
-    sdk: flutter
-
-  collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  meta: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  typed_data: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vector_math: 2.0.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-
-flutter:
-  uses-material-design: true
-
-# PUBSPEC CHECKSUM: d53c