avoid clashing buildconfig and moving placeholders to the modules which uses them

vector-app/build.gradle

@@ -234,8 +234,6 @@ android {
     buildTypes {
         debug {
             applicationIdSuffix ".debug"
-            resValue "string", "app_name", "Element dbg"
-
             signingConfig signingConfigs.debug
 
             if (project.hasProperty("coverage")) {
@@ -244,7 +242,6 @@ android {
         }
 
         release {
-            resValue "string", "app_name", "Element"
             postprocessing {
                 removeUnusedCode true
                 removeUnusedResources true
@@ -261,9 +258,6 @@ android {
             applicationIdSuffix ".nightly"
             versionNameSuffix "-nightly"
 
-            // Just override the background color of the launcher icon for the nightly build.
-            resValue "color", "launcher_background", "#07007E"
-
             // We need to copy paste this block, this is not done automatically by `initWith release`
             postprocessing {
                 removeUnusedCode true

vector-app/src/gplay/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    package="im.vector.app">
 
     <application>
 

vector-app/src/main/AndroidManifest.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="im.vector.app"/>
+<manifest package="im.vector.application"/>

vector-app/src/main/java/im/vector/app/core/di/SingletonModule.kt

@@ -28,7 +28,7 @@ import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import im.vector.app.BuildConfig
+import im.vector.application.BuildConfig
 import im.vector.app.EmojiCompatWrapper
 import im.vector.app.EmojiSpanify
 import im.vector.app.SpaceStateHandler

vector/build.gradle

@@ -13,6 +13,11 @@ kapt {
     correctErrorTypes = true
 }
 
+static def gitRevision() {
+    def cmd = "git rev-parse --short=8 HEAD"
+    return cmd.execute().text.trim()
+}
+
 project.android.buildTypes.all { buildType ->
     buildType.javaCompileOptions.annotationProcessorOptions.arguments =
             [
@@ -39,6 +44,8 @@ android {
             abiFilters "armeabi-v7a", "x86", 'arm64-v8a', 'x86_64'
         }
 
+        // Generate a random app task affinity
+        manifestPlaceholders = [appTaskAffinitySuffix: "H_${gitRevision()}"]
 
         // The following argument makes the Android Test Orchestrator run its
         // "pm clear" command after each test invocation. This command ensures
@@ -64,6 +71,8 @@ android {
         }
         nightly {
             initWith release
+            // Just override the background color of the launcher icon for the nightly build.
+            resValue "color", "launcher_background", "#07007E"
         }
         release {
             resValue "string", "app_name", "Element"