Mark the root project's namespace as com.android.launcher3 (#3242)

AndroidManifest-common.xml

@@ -21,8 +21,7 @@
 -->
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="com.android.launcher3">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <!--
     The manifest defines the common entries that should be present in any derivative of Launcher3.

AndroidManifest.xml

@@ -20,8 +20,7 @@
 */
 -->
 <manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.launcher3">
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-sdk android:targetSdkVersion="30" android:minSdkVersion="26"/>
     <!--
     Manifest entries specific to Launcher3. This is merged with AndroidManifest-common.xml.

build.gradle

@@ -126,6 +126,7 @@ final def quickstepMinSdk = "32"
 final def quickstepMaxSdk = "32"
 
 android {
+    namespace "com.android.launcher3"
     defaultConfig {
         versionCode 12_01_00_05
         versionName "${versionDisplayName}"

go/AndroidManifest-launcher.xml

@@ -18,8 +18,7 @@
 */
 -->
 <manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.launcher3">
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-sdk android:targetSdkVersion="29" android:minSdkVersion="25"/>
     <!--
     Manifest entries specific to Launcher3. This is merged with AndroidManifest-common.xml.

go/AndroidManifest.xml

@@ -19,8 +19,7 @@
 -->
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="com.android.launcher3" >
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-sdk android:targetSdkVersion="29" android:minSdkVersion="25"/>
 

quickstep/AndroidManifest-launcher.xml

@@ -20,8 +20,7 @@
 */
 -->
 <manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.launcher3">
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-sdk android:targetSdkVersion="29" android:minSdkVersion="26"/>
     <!--
     Manifest entries specific to Launcher3. This is merged with AndroidManifest-common.xml.

quickstep/AndroidManifest.xml

@@ -19,8 +19,7 @@
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-     xmlns:tools="http://schemas.android.com/tools"
-     package="com.android.launcher3">
+     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS" />
     <uses-permission android:name="android.permission.CONTROL_REMOTE_APP_TRANSITION_ANIMATIONS"/>