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

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

Change-Id: I3a4a7e0eb1d9cc6e3b8263e97758cfe573193b77
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>