Integrate the machinism of always reporting signal strength
 in Telephony service

Test: WIP (Have this CL out to try to catch up the API deadline)
Bug: 147322848

Change-Id: I3d6465088b239d9fd62585f7477db448a142bf66
Merged-In: I3d6465088b239d9fd62585f7477db448a142bf66
(cherry picked from commit cd19c4685b0905d384446957e8b979896b66bad3)
1 file changed