Merge "Add a README for Remote Key Provisioning." into tm-dev am: 8c1586bc am: 0d4ab852

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



Change-Id: Ibe834315189a363821919f2c3e671b0d50d132c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>