Volume: haptic feedback entering vibrate using touch.

Bug:15386667
Change-Id: Ia575c171f59f435afe669c2b7fd9c22155865b20
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java b/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
index 55851fc..db5e865 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
@@ -1225,7 +1225,8 @@
             final Object tag = seekBar.getTag();
             if (fromUser && tag instanceof StreamControl) {
                 StreamControl sc = (StreamControl) tag;
-                setStreamVolume(sc, progress, 0);
+                setStreamVolume(sc, progress,
+                        AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE);
             }
             resetTimeout();
         }