Merge "Relax locking for startActivityInPackage()." into rvc-dev am: 3c76edd5a3 am: 984ce387ce am: c04cd53974

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11722894

Change-Id: I2cd79fe0287efa82b4f21d5d1afcac09b25a84a0