Addendum to #243 and #244

* Revert configurable activity name. Always use "org.love2d.android.GameActivity"

* Delete unnecessary AndroidManifext.xml for embed variant.

* Workaround non-UTF-8 app.name in gradle.properties. See gradle.properties for more information.

gradle.properties

@@ -1,10 +1,15 @@
 android.enableJetifier=true
 android.useAndroidX=true
-org.gradle.daemon=false
 
-app.name=Love2D
-app.activity_name=org.love2d.android.GameActivity
-app.application_id=org.love2d.unique_game_name
+# To set the application display name, only define either `app.name` or `app.name_byte_array`.
+# For a rule of thumb:
+# * Use `app.name` if your app name doesn't contain any non-ANSI characters.
+# * Otherwise, convert your app name to UTF-8 byte array, comma delimited, and put
+#   it in `app.name_byte_array`
+#app.name=LÖVE for Android
+app.name_byte_array=76,195,150,86,69,32,102,111,114,32,65,110,100,114,111,105,100
+
+app.application_id=org.love2d.android
 app.orientation=landscape
 app.version_code=30
 app.version_name=11.4