Fix launching alarm pending intent

Launch it as a pending intent.

Change-Id: I2adf9347facb9c6fb58cbf8549233c34fcc87350
Fixes: 23909438

packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java

@@ -371,9 +371,7 @@ public class QuickStatusBarHeader extends BaseStatusBarHeader implements
             }
         } else if (v == mAlarmStatus && mNextAlarm != null) {
             PendingIntent showIntent = mNextAlarm.getShowIntent();
-            if (showIntent != null && showIntent.isActivity()) {
-                mActivityStarter.startActivity(showIntent.getIntent(), true /* dismissShade */);
-            }
+            mActivityStarter.startPendingIntentDismissingKeyguard(showIntent);
         }
     }