Merge "Validate package name passed to setApplicationRestrictions." into qt-dev am: 0b5ceb8c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19747771



Change-Id: Ie6bc78bc892b8ae40b1acb095cbb2a49ee3d0452
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>