[automerger skipped] Provide a method to verify a PKCS#7 signature am:...

[automerger skipped] Provide a method to verify a PKCS#7 signature am: 3363fd4d am: 8c8e63ea am: e8fe1342 -s ours

am skip reason: Merged-In I80bbbd88881303c0b9a261b1fe59e9682e43bcad with SHA-1 66ec7b27 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2274630



Change-Id: Icff66cefda641fe7764c9ca79313edcb417e6ddb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>