Merge "Add a README for Remote Key Provisioning." into tm-dev am: 8c1586bc

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



Change-Id: Idcdf255c285152c2b1cbb8e4066c32f35fc732d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>