[automerger skipped] Fix race between SensorManager ctor and callback am: 231a12189b am: 4245ab3a0f am: ade39600c5
am: 4158f80438 -s ours
am skip reason: change_id If7421c452b5893ab2567323d265503a1ce304482 with SHA1 8bbd6f4f0d is in history

Change-Id: I66f7d1c8289030ddfb1dcad68f6d8bc54946332e