Merge "Validate pid can be trusted" into sc-dev am: 45312b8382 am: b14e524ffd am: e38b4d59cf am: 70e4ba9a01

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16461958

Change-Id: If1af21ece63ecbae6692a3a7aa39e583c7392dd6