Merge "Support to get EC public key from the UdsCertchain." into stage-aosp-udc-ts-dev am: 1dc9c9f7a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23895312

Change-Id: Iecf480d38a522a00474b34f3fb1f52c04e224fa0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>