Merge "Adding verification for P256 signatures." am: dccf8ab7c2 am: c9331d8d12 Original change: https://android-review.googlesource.com/c/platform/tools/security/+/2065587 Change-Id: I0594808ba53773af231eff0e5c46228cf2cce5e3 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>