Merge "Move PackageManagerTests to postsubmit" into udc-dev am: 72b4737194

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24463858

Change-Id: I59a9ae8d253a46b3719c750d80b9677cea35de87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>