Traffic meter: Selectable summary timeout [1/2]

Change-Id: Ib3465fa2c719822d09cd7ba107a047c889b4a93f
Active display: Only fetch next notification if mNotification is null

Change-Id: Ife8511d4a4b8c448bc7aa8997a250068bec5fae7

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/activedisplay/ActiveDisplayView.java
AppOps: Update Cherry-Picks

Change-Id: If3e354a816496781176c73b6ad52affecb897bfc