Merge "Secretkeeper: add AuthGraph key exchange" into main am: 986e92e098 am: 0779b28633 am: 84fcae84c7

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2824792

Change-Id: Id499a98968aab16f03212badcb9a75c9350f963d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>