Fix issue #2116977: buttons are huge and bent

Now that we are using preloaded drawables in compatibilty mode, when
constructing them from their constant state we need to set the new
drawable's target density appropriately.

Change-Id: I3665cbea09d38b9ac5f45f8c380dc8641f86b266

graphics/java/android/graphics/drawable/TransitionDrawable.java

@@ -16,6 +16,7 @@
 
 package android.graphics.drawable;
 
+import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.os.SystemClock;
 
@@ -72,7 +73,7 @@ public class TransitionDrawable extends LayerDrawable implements Drawable.Callba
      * 2 layers are required for this drawable to work properly.
      */
     public TransitionDrawable(Drawable[] layers) {
-        this(new TransitionState(null, null), layers);
+        this(new TransitionState(null, null, null), layers);
     }
 
     /**
@@ -82,11 +83,11 @@ public class TransitionDrawable extends LayerDrawable implements Drawable.Callba
      * @see #TransitionDrawable(Drawable[])
      */
     TransitionDrawable() {
-        this(new TransitionState(null, null));
+        this(new TransitionState(null, null, null), (Resources)null);
     }
 
-    private TransitionDrawable(TransitionState state) {
-        super(state);
+    private TransitionDrawable(TransitionState state, Resources res) {
+        super(state, res);
     }
 
     private TransitionDrawable(TransitionState state, Drawable[] layers) {
@@ -94,8 +95,8 @@ public class TransitionDrawable extends LayerDrawable implements Drawable.Callba
     }
 
     @Override
-    LayerState createConstantState(LayerState state) {
-        return new TransitionState((TransitionState) state, this);
+    LayerState createConstantState(LayerState state, Resources res) {
+        return new TransitionState((TransitionState) state, this, res);
     }
     
     /**
@@ -229,13 +230,19 @@ public class TransitionDrawable extends LayerDrawable implements Drawable.Callba
     }
 
     static class TransitionState extends LayerState {
-        TransitionState(TransitionState orig, TransitionDrawable owner) {
-            super(orig, owner);
+        TransitionState(TransitionState orig, TransitionDrawable owner,
+                Resources res) {
+            super(orig, owner, res);
         }
 
         @Override
         public Drawable newDrawable() {
-            return new TransitionDrawable(this);
+            return new TransitionDrawable(this, (Resources)null);
+        }
+
+        @Override
+        public Drawable newDrawable(Resources res) {
+            return new TransitionDrawable(this, res);
         }
 
         @Override