OmniControl: add version in manifest

if we build from Android.bp the version in gradle is not used

Change-Id: Id2390ec8a58ce7b493682ae572b375d61da08318
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index aa8a6ad..d9533eb 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="org.omnirom.control">
+    package="org.omnirom.control"
+    android:versionCode="1"
+    android:versionName="1.0">
 
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"
         tools:ignore="QueryAllPackagesPermission" />