Removed all com.android.internal.* references in code.

Moved reference to internal Android resource depedencies to drawable.xml.

Bug: 34888290
Change-Id: I906e58579bab97438201bf8abab24f94e2640b2c
diff --git a/src/com/android/documentsui/DropBadgeView.java b/src/com/android/documentsui/DropBadgeView.java
index 6d18af0..4bf3f74 100644
--- a/src/com/android/documentsui/DropBadgeView.java
+++ b/src/com/android/documentsui/DropBadgeView.java
@@ -45,7 +45,7 @@
 
         Drawable okBadge = context.getResources().getDrawable(R.drawable.drop_badge_states, null);
         Drawable defaultIcon = context.getResources()
-                .getDrawable(com.android.internal.R.drawable.ic_doc_generic, null);
+                .getDrawable(R.drawable.ic_doc_generic, null);
 
         Drawable[] list = {defaultIcon, okBadge};
         mBackground = new LayerDrawable(list);