Enable hardware acceleration for pointer location overlay.

Bug: 7256639
Change-Id: I790820b18365c126afc500a5ea3d222bc1ea2774

Author: Jeff Brown

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -1140,6 +1140,11 @@ private void enablePointerLocation() {
                     | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
                     | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                     | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
+            if (ActivityManager.isHighEndGfx()) {
+                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
+                lp.privateFlags |=
+                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
+            }
             lp.format = PixelFormat.TRANSLUCENT;
             lp.setTitle("PointerLocation");
             WindowManager wm = (WindowManager)