Removing some synthetic method creation

> Make package-private and @Thunk all private methods and constructors accessed from inner classes.

Change-Id: Ie5913860a0c33e48e9bf68f9b5b1699f64c2f174

src/com/android/launcher3/ButtonDropTarget.java

@@ -64,7 +64,7 @@ public abstract class ButtonDropTarget extends TextView
     protected Drawable mDrawable;
 
     private AnimatorSet mCurrentColorAnim;
-    private ColorMatrix mSrcFilter, mDstFilter, mCurrentFilter;
+    @Thunk ColorMatrix mSrcFilter, mDstFilter, mCurrentFilter;
 
 
     public ButtonDropTarget(Context context, AttributeSet attrs) {