Direct Reply: Allow closing IME separately from DirectReply mode

If the IME is showing, the first BACK now closes just
the IME instead of also closing the Direct Reply mode.
Subsequent back closes the notification panel as usual.

Change-Id: Ic4b5a4d6b528a211c2fa0c8b5ceb0f7017c09400
Fixes: 29996385
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
index 7b22b88..47ea59e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
@@ -190,6 +190,12 @@
 
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
+        if (mService.interceptMediaKey(event)) {
+            return true;
+        }
+        if (super.dispatchKeyEvent(event)) {
+            return true;
+        }
         boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
         switch (event.getKeyCode()) {
             case KeyEvent.KEYCODE_BACK:
@@ -214,10 +220,7 @@
                 }
                 break;
         }
-        if (mService.interceptMediaKey(event)) {
-            return true;
-        }
-        return super.dispatchKeyEvent(event);
+        return false;
     }
 
     @Override