Repackage app2 to resolve testCheckSignaturesRotatedAgainstOriginal am: fbbf811c5a am: 846ff8454b

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

Change-Id: Ia12951be6aeba296696ce6577c15cda9c108a1dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>