[automerger skipped] [RESTRICT AUTOMERGE] Check whether installerPackageName contains only valid characters am: 3c7a10d969 -s ours

am skip reason: contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/28361433

Change-Id: I2090a7aac53c410cf796a051c9744d0f932671fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>