Implement alternate SE root-of-trust provisioning. am: fdeafb864c

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/keymaster/+/18638885

Change-Id: If37b53dad4b20703bd91cb05c93377705c5c4fd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>