[automerger skipped] Move PackageManagerTests to postsubmit am: 7a350b8d14 am: b26f094898 am: 1df78925f4 -s ours am: 713a163a6c -s ours am: 9d71d5d5ce -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: I280e71b2d220a6e256342632838fe8ee07c7c0fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>