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: Ibbd5b57d41fb5abc3d13ae48bb682bf140342415
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>