Avoid NPE in system_server in bringDownServiceLocked()

While stoping the service is scheduleUnbindService()
is failing with exception , no need to update the OOM
value of the process as processRecord is already set
to NULL.

Test: Monkey or directed (see bug)
Bug: 136627142
Change-Id: Ic766b91e6dc47b8ff727026863bab2437f9be420
1 file changed