Upgrade to gradle 8.3

DEPS

@@ -731,7 +731,7 @@ deps = {
       {
         # See tools/gradle/README.md for update instructions.
         # Version here means the CIPD tag.
-        'version': 'version:7.5.1',
+        'version': 'version:8.3',
         'package': 'flutter/gradle'
       }
     ],

shell/platform/android/test_runner/build.gradle

@@ -4,7 +4,7 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath "com.android.tools.build:gradle:7.0.0"
+    classpath "com.android.tools.build:gradle:8.0.1"
   }
 }
 
@@ -32,6 +32,7 @@ println "AVAILABLE PROCESSORS: $availableProcessors"
 println "=========================================="
 
 android {
+  namespace 'io.flutter.app.test'
   compileSdkVersion 34
 
   defaultConfig {

shell/platform/android/test_runner/src/main/AndroidManifest.xml

@@ -1,4 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.flutter.app.test">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
   <application>
 

testing/android_background_image/android/app/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 
 android {
+    namespace 'dev.flutter.android_background_image'
     lintOptions {
         abortOnError true
         checkAllWarnings true

testing/android_background_image/android/app/src/main/AndroidManifest.xml

@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="dev.flutter.android_background_image">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.INTERNET" />
     <application
         android:name="io.flutter.app.FlutterApplication"
-        android:allowBackup="false"
         android:label="Background Image Tester"
         android:supportsRtl="true">
         <activity

testing/android_background_image/android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.0'
+        classpath 'com.android.tools.build:gradle:8.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files