Merge "Move PackageManagerTests to postsubmit" into udc-dev am: 72b4737194 am: 3dea65ff37 am: 6f8ce58328 am: d97588bcf9

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

Change-Id: I18a114d398cd46a7328b216339891ead27a0d6dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>