Merge "[RESTRICT AUTOMERGE] Check whether installerPackageName contains only valid characters" into tm-dev am: 7221434c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/28318629



Change-Id: I0cde5cea7b19ed3bba5b91699e652231fd924aac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>