Merge "DO NOT MERGE: Fix deadlock in AcitivityManagerService." into lmp-mr1-dev am: 900550de49 am: 94da8023d5 am: 426ba52b42  -s ours am: 1781d2bd3b am: f428d49b12 am: 21d4b84547 am: 94b739d3a2  -s ours am: 3f8c97465d
am: 2cc87e32c2

Change-Id: I7fb85ca1dcb08e29d47086ccf35a04798b9a3ead