Implement alternate SE root-of-trust provisioning. am: fdeafb864c am: 391b2ca3fe

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

Change-Id: I9f7d65aa97fa87a70a49bb19353330b5c6659dd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>