Merge "ActivityManagerService: Allow openContentUri from vendor/system/product." into rvc-dev am: 2a509c82ba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22911665

Change-Id: I570f3ea30dd4eca2b913f63ffdbc7ca68564b908
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>