Merge "DO NOT MERGE: Fix deadlock in AcitivityManagerService." into lmp-dev am: b358ee3558  -s ours am: 43a1f74d7f am: e8e30122e8 am: fcc3d8fca2  -s ours am: b235bc6f09 am: 8fedc773fc am: 827f465492 am: 8d302da986  -s ours am: 7efc56cc65 am: 3a87b6773b
am: 3d84027987  -s ours

Change-Id: Ia2bdad372343fae7e3ba523c691f523c9ce92c41