Make paths absolute in settings.gradle (#33228)

diff --git a/packages/flutter_tools/templates/module/android/host_app_editable/settings.gradle.copy.tmpl b/packages/flutter_tools/templates/module/android/host_app_editable/settings.gradle.copy.tmpl
index 3f3ac34..0aca677 100644
--- a/packages/flutter_tools/templates/module/android/host_app_editable/settings.gradle.copy.tmpl
+++ b/packages/flutter_tools/templates/module/android/host_app_editable/settings.gradle.copy.tmpl
@@ -2,4 +2,4 @@
 include ':app'
 
 setBinding(new Binding([gradle: this]))
-evaluate(new File('../.android/include_flutter.groovy'))
+evaluate(new File(settingsDir.parentFile, '.android/include_flutter.groovy'))
diff --git a/packages/flutter_tools/templates/module/android/host_app_ephemeral/settings.gradle.copy.tmpl b/packages/flutter_tools/templates/module/android/host_app_ephemeral/settings.gradle.copy.tmpl
index 0605586..b40f9f7 100644
--- a/packages/flutter_tools/templates/module/android/host_app_ephemeral/settings.gradle.copy.tmpl
+++ b/packages/flutter_tools/templates/module/android/host_app_ephemeral/settings.gradle.copy.tmpl
@@ -3,4 +3,4 @@
 
 rootProject.name = 'android_generated'
 setBinding(new Binding([gradle: this]))
-evaluate(new File('include_flutter.groovy'))
+evaluate(new File(settingsDir, 'include_flutter.groovy'))
diff --git a/packages/flutter_tools/templates/module/android/library/settings.gradle.copy.tmpl b/packages/flutter_tools/templates/module/android/library/settings.gradle.copy.tmpl
index 49eb997..22b1cdd 100644
--- a/packages/flutter_tools/templates/module/android/library/settings.gradle.copy.tmpl
+++ b/packages/flutter_tools/templates/module/android/library/settings.gradle.copy.tmpl
@@ -2,4 +2,4 @@
 
 rootProject.name = 'android_generated'
 setBinding(new Binding([gradle: this]))
-evaluate(new File('include_flutter.groovy'))
+evaluate(new File(settingsDir, 'include_flutter.groovy'))
diff --git a/packages/flutter_tools/test/project_test.dart b/packages/flutter_tools/test/project_test.dart
index 735f4fd..9f281ff 100644
--- a/packages/flutter_tools/test/project_test.dart
+++ b/packages/flutter_tools/test/project_test.dart
@@ -126,7 +126,7 @@
         expectExists(project.directory.childDirectory('.android').childDirectory('Flutter'));
         expect(
           project.directory.childDirectory('android').childFile('settings.gradle').readAsStringSync(),
-          contains('../.android/include_flutter.groovy'),
+          contains('new File(settingsDir.parentFile, \'.android/include_flutter.groovy\')'),
         );
       });
       testInMemory('can be redone after deletion', () async {