Check themes of current user, not user 0.

Change-Id: I5d685a04289b434a12e460b4fdacc43a41ff2be1
JIRA:CYAN-1303
Lockscreen : Use correct filter for background

Switch over to SRC_ATOP filter instead of using MULTIPLY.

Change-Id: I6b8dac563136cd10b48b6fc6c0ecb2265d0e0b04
NotificationManagerService: fix typo on led off time variable

Change-Id: Iade96474c26dbeb3a5a671170f563220562d9b3c