Update Android gradle plugin to 8.1.1 and gradle to 8.0.2 (kivy#2887)

cherry-pick of kivy@17bf532

Author: misl6

pythonforandroid/bootstraps/common/build/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-all.zip

pythonforandroid/bootstraps/common/build/templates/build.tmpl.gradle

@@ -5,7 +5,7 @@ buildscript {
        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.2'
+        classpath 'com.android.tools.build:gradle:8.1.1'
     }
 }
 
@@ -34,6 +34,7 @@ apply plugin: 'com.android.application'
 {% endif %}
 
 android {
+    namespace '{{ args.package }}'
     compileSdkVersion {{ android_api }}
     buildToolsVersion '{{ build_tools_version }}'
     defaultConfig {

pythonforandroid/bootstraps/qt6/build/templates/AndroidManifest.tmpl.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="{{ args.package }}"
       android:versionCode="{{ args.numeric_version }}"
       android:versionName="{{ args.version }}"
       android:installLocation="auto">

pythonforandroid/bootstraps/sdl2/build/templates/AndroidManifest.tmpl.xml

@@ -3,7 +3,6 @@
      com.gamemaker.game
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="{{ args.package }}"
       android:versionCode="{{ args.numeric_version }}"
       android:versionName="{{ args.version }}"
       android:installLocation="auto">

pythonforandroid/bootstraps/service_library/build/templates/AndroidManifest.tmpl.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="{{ args.package }}"
       android:versionCode="{{ args.numeric_version }}"
       android:versionName="{{ args.version }}">
 

pythonforandroid/bootstraps/service_only/build/templates/AndroidManifest.tmpl.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="{{ args.package }}"
       android:versionCode="{{ args.numeric_version }}"
       android:versionName="{{ args.version }}"
       android:installLocation="auto">

pythonforandroid/bootstraps/webview/build/templates/AndroidManifest.tmpl.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="{{ args.package }}"
       android:versionCode="{{ args.numeric_version }}"
       android:versionName="{{ args.version }}"
       android:installLocation="auto">