[automerger skipped] Move PackageManagerTests to postsubmit am: 7a350b8d14 am: 7ebf9fea9b -s ours am: 564998a8c5 -s ours am: e60a9b9ee8 -s ours

am skip reason: Merged-In I23e471ec8a0ddc34c36064a9b32eece7a209ec59 with SHA-1 40c7e581fe is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24454171

Change-Id: I8ffe6128ccff6f654a2a151b8984aa239fa1d6a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>