[automerger skipped] Merge "Register callback and receiver after tethering is...

[automerger skipped] Merge "Register callback and receiver after tethering is created" into rvc-dev am: 60388d2b -s ours am: c8db1351 -s ours am: 51e1616c -s ours

am skip reason: Change-Id I3941a186770679e7b476073d774e2310e25e44c6 with SHA-1 031d34c1 is in history

Change-Id: I0c861eb41f2a45eeba41c0039b0cc53b3e3efb77