Ping on unlock changes

 * Stop message flip animation on unlock
 * Prevent ping spam on unlock -
    - Ping ONLY if NEW notification received while device is locked/screen is off
      (If a notification pinged HALO once but was ignored, it will not ping again unless updated)

(cherry picked from commit 3637cf2c189129683cacb5953958a92f660c3e02)
halo, bugfixes

1. fixed size for content
2. flip animations for tasking only
3. batch size calculations
4. not a bug but pinned and system both get the same icon for now

Change-Id: I755cd4e88c909ab8b982e014d470791661a0041e
(cherry picked from commit 1f8e7815e8b1e74c7795fdfcb8e158e0eea8373b)