Merge "Add a README for Remote Key Provisioning." into tm-dev am: 8c1586bc4f am: 668241010a am: e50a186993 am: 60d6376c61

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

Change-Id: I179da418168a5e36daed27a7de2fce72b0e03e4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>