[automerger skipped] Merge "Check for downgrade and signature of outer .apex...

[automerger skipped] Merge "Check for downgrade and signature of outer .apex certificate" into sc-dev am: ab4f8efa am: 43d94a2d -s ours

am skip reason: Merged-In I12ff0ce121a349799062c76302de7c8f6407d8c2 with SHA-1 51903825 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14807571

Change-Id: I9fec12e3b70a63ccfc658fc8a6096cfe9f9cbf06