Enable recovery in RIL wakelock release check.

Enable recovery in RIL wakelock release check.

Wakelock will get released while
1) no request pending to be sent out, in which mRequestMessagesPending increases
before calling EVENT_SEND and decreases while handling EVENT_SEND.

and

2) no waiting requests sent to RIL but no replied, in which mRequestMessagesWaiting
increases while sending request and decreases while handling response.

Both will be cleared while WAKE_LOCK_TIMEOUT occurs to recovery from out of sync situation.

bug: 3369427, 3370827
Change-Id: Ib2fc54db3b155bd3fb1296ad83720b7836708caf