Merge "Move PackageManagerTests to postsubmit" into udc-dev am: 72b4737194 am: 3a45b6e195 am: 79c1cc199b

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

Change-Id: I5f505be6b38674ba893e3fc1f11226a1c19abcc1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>