Merge "Add a README for Remote Key Provisioning." into tm-dev am: 8c1586bc4f am: 0d4ab8520d am: 1805a41370 am: 7cb2ccb228

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/18635577

Change-Id: I96bd140cae12f44cb0cc3e5802ec2a85b2fe78fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>