Repackage app2 to resolve testCheckSignaturesRotatedAgainstOriginal am: fbbf811c5a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23906627

Change-Id: Ia6b2ebde3e0ed80ec5a21f04dc955020f4019e0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>