Merge "Move PackageManagerTests to postsubmit" into udc-dev am: 72b4737194 am: 3a45b6e195 am: 91e32fa426 am: 0f77ad0f6a

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

Change-Id: I08276a66d123b03ba91f064cdfe723ee0b56c883
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>