Move KeyboardView in the framework to LatinKeyboardViewBase

Change-Id: I99e3ea5eb1f1f5e5f9b36306930cdf0f50acfb01
diff --git a/java/res/layout/input.xml b/java/res/layout/input.xml
index 1d7c6f7..039fdd8 100755
--- a/java/res/layout/input.xml
+++ b/java/res/layout/input.xml
@@ -20,10 +20,12 @@
 
 <com.android.inputmethod.latin.LatinKeyboardView
         xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:latin="http://schemas.android.com/apk/res/com.google.android.inputmethod.latin"
         android:id="@android:id/keyboardView"
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@drawable/keyboard_background"
-        android:keyBackground="@drawable/btn_keyboard_key"
+
+        latin:keyBackground="@drawable/btn_keyboard_key"
         />