Point deprecated plugins to Plus versions (#3971)

The Flutter Community Plus Plugins have achieved Flutter Favorite
status, so the Flutter copies will now be turned down. This updates all
the READMEs to announce the deprecation and eventually discontinuing of
the plugins, pointing to the Plus versions.

Part of https://github.com/flutter/flutter/issues/83277
diff --git a/packages/android_alarm_manager/CHANGELOG.md b/packages/android_alarm_manager/CHANGELOG.md
index 4e91972..7c40428 100644
--- a/packages/android_alarm_manager/CHANGELOG.md
+++ b/packages/android_alarm_manager/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Update README to point to Plus Plugins version.
+
 ##  2.0.1
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/android_alarm_manager/README.md b/packages/android_alarm_manager/README.md
index 5a8a55e..500c5d5 100644
--- a/packages/android_alarm_manager/README.md
+++ b/packages/android_alarm_manager/README.md
@@ -1,5 +1,20 @@
 # android_alarm_manager
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`android_alarm_manager_plus`](https://pub.dev/packages/android_alarm_manager_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 [![pub package](https://img.shields.io/pub/v/android_alarm_manager.svg)](https://pub.dev/packages/android_alarm_manager)
 
 A Flutter plugin for accessing the Android AlarmManager service, and running
diff --git a/packages/android_alarm_manager/pubspec.yaml b/packages/android_alarm_manager/pubspec.yaml
index 87f3491..8de81e4 100644
--- a/packages/android_alarm_manager/pubspec.yaml
+++ b/packages/android_alarm_manager/pubspec.yaml
@@ -1,7 +1,7 @@
 name: android_alarm_manager
 description: Flutter plugin for accessing the Android AlarmManager service, and
   running Dart code in the background when alarms fire.
-version: 2.0.1
+version: 2.0.2
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_alarm_manager
 
 dependencies:
diff --git a/packages/android_intent/CHANGELOG.md b/packages/android_intent/CHANGELOG.md
index 7fa7446..2934d72 100644
--- a/packages/android_intent/CHANGELOG.md
+++ b/packages/android_intent/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Update README to point to Plus Plugins version.
+
 ##  2.0.1
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/android_intent/README.md b/packages/android_intent/README.md
index a2f95ab..0ad1117 100644
--- a/packages/android_intent/README.md
+++ b/packages/android_intent/README.md
@@ -1,5 +1,20 @@
 # Android Intent Plugin for Flutter
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`android_intent_plus`](https://pub.dev/packages/android_intent_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 This plugin allows Flutter apps to launch arbitrary intents when the platform
 is Android. If the plugin is invoked on iOS, it will crash your app. In checked
 mode, we assert that the platform should be Android.
diff --git a/packages/android_intent/pubspec.yaml b/packages/android_intent/pubspec.yaml
index bed6244..1dcde33 100644
--- a/packages/android_intent/pubspec.yaml
+++ b/packages/android_intent/pubspec.yaml
@@ -1,7 +1,7 @@
 name: android_intent
 description: Flutter plugin for launching Android Intents. Not supported on iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_intent
-version: 2.0.1
+version: 2.0.2
 
 flutter:
   plugin:
diff --git a/packages/battery/battery/CHANGELOG.md b/packages/battery/battery/CHANGELOG.md
index 2fab724..b4f0cef 100644
--- a/packages/battery/battery/CHANGELOG.md
+++ b/packages/battery/battery/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.3
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.2
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/battery/battery/README.md b/packages/battery/battery/README.md
index 358dee6..5337978 100644
--- a/packages/battery/battery/README.md
+++ b/packages/battery/battery/README.md
@@ -1,5 +1,20 @@
 # Battery
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`battery_plus`](https://pub.dev/packages/battery_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 [![pub package](https://img.shields.io/pub/v/battery.svg)](https://pub.dev/packages/battery)
 
 A Flutter plugin to access various information about the battery of the device the app is running on.
diff --git a/packages/battery/battery/pubspec.yaml b/packages/battery/battery/pubspec.yaml
index 25e04a8..3fa7f8c 100644
--- a/packages/battery/battery/pubspec.yaml
+++ b/packages/battery/battery/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for accessing information about the battery state
   (full, charging, discharging) on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/battery/battery
-version: 2.0.2
+version: 2.0.3
 
 flutter:
   plugin:
diff --git a/packages/connectivity/connectivity/CHANGELOG.md b/packages/connectivity/connectivity/CHANGELOG.md
index f3307f1..89db7ae 100644
--- a/packages/connectivity/connectivity/CHANGELOG.md
+++ b/packages/connectivity/connectivity/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.0.6
+
+* Update README to point to Plus Plugins version.
+
 ## 3.0.5
 
 * Ignore Reachability pointer to int cast warning.
diff --git a/packages/connectivity/connectivity/README.md b/packages/connectivity/connectivity/README.md
index 6c608d3..d085c18 100644
--- a/packages/connectivity/connectivity/README.md
+++ b/packages/connectivity/connectivity/README.md
@@ -1,5 +1,20 @@
 # connectivity
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`connectivity_plus`](https://pub.dev/packages/connectivity_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 This plugin allows Flutter apps to discover network connectivity and configure
 themselves accordingly. It can distinguish between cellular vs WiFi connection.
 This plugin works for iOS and Android.
diff --git a/packages/connectivity/connectivity/pubspec.yaml b/packages/connectivity/connectivity/pubspec.yaml
index 604e9ad..e96865d 100644
--- a/packages/connectivity/connectivity/pubspec.yaml
+++ b/packages/connectivity/connectivity/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for discovering the state of the network (WiFi &
   mobile/cellular) connectivity on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity
-version: 3.0.5
+version: 3.0.6
 
 flutter:
   plugin:
diff --git a/packages/device_info/device_info/CHANGELOG.md b/packages/device_info/device_info/CHANGELOG.md
index ca597b3..a92cb8c 100644
--- a/packages/device_info/device_info/CHANGELOG.md
+++ b/packages/device_info/device_info/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.1
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/device_info/device_info/README.md b/packages/device_info/device_info/README.md
index 98bfc15..34cf9bb 100644
--- a/packages/device_info/device_info/README.md
+++ b/packages/device_info/device_info/README.md
@@ -1,5 +1,20 @@
 # device_info
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`device_info_plus`](https://pub.dev/packages/device_info_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 Get current device information from within the Flutter application.
 
 # Usage
diff --git a/packages/device_info/device_info/pubspec.yaml b/packages/device_info/device_info/pubspec.yaml
index e7015e5..bb76b26 100644
--- a/packages/device_info/device_info/pubspec.yaml
+++ b/packages/device_info/device_info/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin providing detailed information about the device
   (make, model, etc.), and Android or iOS version the app is running on.
 homepage: https://github.com/flutter/plugins/tree/master/packages/device_info
-version: 2.0.1
+version: 2.0.2
 
 flutter:
   plugin:
diff --git a/packages/package_info/CHANGELOG.md b/packages/package_info/CHANGELOG.md
index a1eed56..96697dd 100644
--- a/packages/package_info/CHANGELOG.md
+++ b/packages/package_info/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.1
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/package_info/README.md b/packages/package_info/README.md
index a09db08..8089388 100644
--- a/packages/package_info/README.md
+++ b/packages/package_info/README.md
@@ -1,5 +1,20 @@
 # PackageInfo
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`package_info_plus`](https://pub.dev/packages/package_info_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 This Flutter plugin provides an API for querying information about an
 application package.
 
diff --git a/packages/package_info/pubspec.yaml b/packages/package_info/pubspec.yaml
index 310ca32..e3b976f 100644
--- a/packages/package_info/pubspec.yaml
+++ b/packages/package_info/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for querying information about the application
   package, such as CFBundleVersion on iOS or versionCode on Android.
 homepage: https://github.com/flutter/plugins/tree/master/packages/package_info
-version: 2.0.1
+version: 2.0.2
 
 flutter:
   plugin:
diff --git a/packages/sensors/CHANGELOG.md b/packages/sensors/CHANGELOG.md
index f2711fd..d7bf66d 100644
--- a/packages/sensors/CHANGELOG.md
+++ b/packages/sensors/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.3
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.2
 
 * Fix -Wstrict-prototypes analyzer warning in iOS plugin.
diff --git a/packages/sensors/README.md b/packages/sensors/README.md
index 8c5ab00..1f46ce1 100644
--- a/packages/sensors/README.md
+++ b/packages/sensors/README.md
@@ -1,7 +1,21 @@
 # sensors
 
-A Flutter plugin to access the accelerometer and gyroscope sensors.
+---
 
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`sensors_plus`](https://pub.dev/packages/sensors_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
+A Flutter plugin to access the accelerometer and gyroscope sensors.
 
 ## Usage
 
diff --git a/packages/sensors/pubspec.yaml b/packages/sensors/pubspec.yaml
index e0e9669..d1f3a82 100644
--- a/packages/sensors/pubspec.yaml
+++ b/packages/sensors/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for accessing the Android and iOS accelerometer and
   gyroscope sensors.
 homepage: https://github.com/flutter/plugins/tree/master/packages/sensors
-version: 2.0.2
+version: 2.0.3
 
 flutter:
   plugin:
diff --git a/packages/share/CHANGELOG.md b/packages/share/CHANGELOG.md
index 5f7c23d..a5e4511 100644
--- a/packages/share/CHANGELOG.md
+++ b/packages/share/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.4
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.3
 
 * Do not tear down method channel onDetachedFromActivity.
diff --git a/packages/share/README.md b/packages/share/README.md
index 59cfbf7..7fda119 100644
--- a/packages/share/README.md
+++ b/packages/share/README.md
@@ -1,5 +1,20 @@
 # Share plugin
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`share_plus`](https://pub.dev/packages/share_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 [![pub package](https://img.shields.io/pub/v/share.svg)](https://pub.dev/packages/share)
 
 A Flutter plugin to share content from your Flutter app via the platform's
diff --git a/packages/share/pubspec.yaml b/packages/share/pubspec.yaml
index 653cf15..6ab43e8 100644
--- a/packages/share/pubspec.yaml
+++ b/packages/share/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for sharing content via the platform share UI, using
   the ACTION_SEND intent on Android and UIActivityViewController on iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/share
-version: 2.0.3
+version: 2.0.4
 
 flutter:
   plugin:
diff --git a/packages/wifi_info_flutter/wifi_info_flutter/CHANGELOG.md b/packages/wifi_info_flutter/wifi_info_flutter/CHANGELOG.md
index a388acb..925745f 100644
--- a/packages/wifi_info_flutter/wifi_info_flutter/CHANGELOG.md
+++ b/packages/wifi_info_flutter/wifi_info_flutter/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Update README to point to Plus Plugins version.
+
 ## 2.0.1
 
 * Migrate maven repository from jcenter to mavenCentral.
diff --git a/packages/wifi_info_flutter/wifi_info_flutter/README.md b/packages/wifi_info_flutter/wifi_info_flutter/README.md
index e1c0c84..3f1084e 100644
--- a/packages/wifi_info_flutter/wifi_info_flutter/README.md
+++ b/packages/wifi_info_flutter/wifi_info_flutter/README.md
@@ -1,5 +1,20 @@
 # wifi_info_flutter
 
+---
+
+## Deprecation Notice
+
+This plugin has been replaced by the [Flutter Community Plus
+Plugins](https://plus.fluttercommunity.dev/) version,
+[`network_info_plus`](https://pub.dev/packages/network_info_plus).
+No further updates are planned to this plugin, and we encourage all users to
+migrate to the Plus version.
+
+Critical fixes (e.g., for any security incidents) will be provided through the
+end of 2021, at which point this package will be marked as discontinued.
+
+---
+
 This plugin retrieves information about a device's connection to wifi.
 
 > Note that on Android, this does not guarantee connection to Internet. For instance,
diff --git a/packages/wifi_info_flutter/wifi_info_flutter/pubspec.yaml b/packages/wifi_info_flutter/wifi_info_flutter/pubspec.yaml
index 91aa93e..15eb82e 100644
--- a/packages/wifi_info_flutter/wifi_info_flutter/pubspec.yaml
+++ b/packages/wifi_info_flutter/wifi_info_flutter/pubspec.yaml
@@ -1,7 +1,7 @@
 name: wifi_info_flutter
 description: A new flutter plugin project.
 homepage: https://github.com/flutter/plugins/tree/master/packages/wifi_info_flutter/wifi_info_flutter
-version: 2.0.1
+version: 2.0.2
 
 environment:
   sdk: ">=2.12.0 <3.0.0"