am 71f55d23: Merge "Announcing the stream type when the volume panel comes up" into lmp-dev

* commit '71f55d233f24fe3443ca369444afce9087a6f3c2':
  Announcing the stream type when the volume panel comes up
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java b/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
index ffc10a9..6949ffb 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumePanel.java
@@ -56,6 +56,7 @@
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.WindowManager.LayoutParams;
+import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.ImageView;
 import android.widget.SeekBar;
@@ -1078,6 +1079,7 @@
             if (mCallback != null) {
                 mCallback.onVisible(true);
             }
+            announceDialogShown();
         }
 
         // Do a little vibrate if applicable (only when going into vibrate mode)
@@ -1094,6 +1096,10 @@
         }
     }
 
+    private void announceDialogShown() {
+        mView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
+    }
+
     private boolean isShowing() {
         return mDialog.isShowing();
     }