fix: revert namespace change as to not break existing projects

Author: edusperoni

test-app/app/build.gradle

@@ -190,7 +190,6 @@ def setAppIdentifier = { ->
 }
 
 android {
-    namespace "com.tns.testapplication"
 
     applyBeforePluginGradleConfiguration()
 

test-app/app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?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="com.tns.testapplication">
 
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />