SystemUI: Notification Reminder - Update Reminder

Add button to notification to update reminder
	time once it fires (to let it fire again).

Change-Id: Ie369bf4c478553a0c792308949b053790c001b61
frameworks: including build.prop property "ro.config.vc_music_vol_steps"
to control music steps amount (like it is
with "ro.config.vc_call_vol_steps" and call volume steps)

Change-Id: I81a3188919482383e015974818e7042d521ac679
Service: Keep services needing restart.

Services needing restart after crash include:
1) service with 'persistent == true'
2) service explicitly reuqired restart by returning START_STICKY
   or START_REDELIVER_INTENT from onStartCommand

Change-Id: Idc490a1ceb1e151a3eb7f34b7b4cf8058a06f34a
Signed-off-by: Liangcai Li <liangcail@nvidia.com>