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

Change-Id: I1c1edf783ae5c466ed8c89978de5d5dfd9adb643