Implement alternate SE root-of-trust provisioning. am: fdeafb864c am: 391b2ca3fe am: c0a816b4f7

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

Change-Id: I751d4b26220e847374fc85addf2fb385948349af
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>