Merge "Move PackageManagerTests to postsubmit" into udc-dev am: 72b47371 am: 3dea65ff

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



Change-Id: Ic9b9b0c300b218811255a25803727828e7812a5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>