Merge "Reinforce comments for newly added provisioning keys" into tm-dev am: e595e78a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17859787



Change-Id: I1fd4af9a525f80e0bfacf5677f0f48b4358a391a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>