Merge "Secretkeeper: add AuthGraph key exchange" into main am: 986e92e098

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

Change-Id: Ibad339204df58b4001dd3922fe03780f70ec2466
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>