[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 am: a6ed698a am: 50afe18c am: 7b1d1437 -s ours am: 57811922 -s ours

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

Change-Id: Icc352811d72e67f21bbd82b6fcfbcbd9c3395ccb