Implement alternate SE root-of-trust provisioning. am: fdeafb864c am: b45de15496

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

Change-Id: Ice9a13eb6570be57ddc1d1b1ebfae36d3219f875
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>