Merge "[RESTRICT AUTOMERGE] Check whether installerPackageName contains only valid characters" into tm-dev am: 7221434caf am: d87d19cb60

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

Change-Id: I14ddcd88aeb7fbacecd33b24b7dd1993c94dd609
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>