TextureView works best when it draws stuff.
Bug #5391188

Change-Id: I5e754881ccb08ff288ebd60de77282c9cbcf3f86
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 2ebe756..d193d6e 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -10001,6 +10001,15 @@
     }
 
     /**
+     * Indicates whether this view has a static layer. A view with layer type
+     * {@link #LAYER_TYPE_NONE} is a static layer. Other types of layers are
+     * dynamic.
+     */
+    boolean hasStaticLayer() {
+        return mLayerType == LAYER_TYPE_NONE;
+    }
+
+    /**
      * Indicates what type of layer is currently associated with this view. By default
      * a view does not have a layer, and the layer type is {@link #LAYER_TYPE_NONE}.
      * Refer to the documentation of {@link #setLayerType(int, android.graphics.Paint)}