Merge "Check whether installerPackageName contains only valid characters" into udc-dev am: 85ba4e6b08

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/28440801

Change-Id: I677af56c67b422ec7216989bc2f612fd0371211b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>