Audio: Fix abnormal keytone playback during silent mode changing

Change-Id: Icfc4003c9756b3c33578c137e59dc4a2b4f25647
Author: Chenyang Du <chenyang.du@intel.com>
Signed-off-by: Ertao Zhao <ertaox.zhao@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 19084 4898
Use generic alarm intent.

Change-Id: Ibb911c1e34ec95cdd52867b8a68cce25f09dbc10
Fix for Concurrency issue reported in  525529

List of services mainted by ActivityManager may get
updated/iterated concurrently if serviceTimeout() is
scheduled simultaneously with launch/stop of new services
for the same package.To fix the issue ,iteration of
proc.executingServices set in serviceTimeout() is synchronized
with same lock used by updating the set during
start/launch of service.

CRs-fixed: 525529

Change-Id: Ic230ad0d16e6ec64a20cf394aa1c1ce777c37a2b
services: Fix the bug in NFC shutdown logic

nfcOff should be checked for NFC shutdown instead of radioOff,
which is used for radio status.

Change-Id: Iafd620dc89ae8bed7855e313676527d4de32cb7c