Merge "Adding verification for P256 signatures." am: dccf8ab7c2 am: c9331d8d12 am: a3aa16cd6c am: 0015994411 am: e14af42cc7 Original change: https://android-review.googlesource.com/c/platform/tools/security/+/2065587 Change-Id: I375f086ed85522f3a0cfbf2fe1408fb5eeb322dc Signed-off-by: Automerger Merge Worker <[email protected]>