am c011558a: Merge "Add Z property to View"

* commit 'c011558a90329731e87d3eaf25af15b452001c4e':
  Add Z property to View

api/current.txt

@@ -30911,6 +30911,7 @@ package android.view {
     field protected static final int[] WINDOW_FOCUSED_STATE_SET;
     field public static final android.util.Property X;
     field public static final android.util.Property Y;
+    field public static final android.util.Property Z;
   }
 
   public static class View.AccessibilityDelegate {

core/java/android/view/View.java

@@ -18863,6 +18863,22 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
         }
     };
 
+    /**
+     * A Property wrapper around the <code>z</code> functionality handled by the
+     * {@link View#setZ(float)} and {@link View#getZ()} methods.
+     */
+    public static final Property<View, Float> Z = new FloatProperty<View>("z") {
+        @Override
+        public void setValue(View object, float value) {
+            object.setZ(value);
+        }
+
+        @Override
+        public Float get(View object) {
+            return object.getZ();
+        }
+    };
+
     /**
      * A Property wrapper around the <code>rotation</code> functionality handled by the
      * {@link View#setRotation(float)} and {@link View#getRotation()} methods.