Merge "Add end to end test for mtectrl." am: aeeb9e8dcd

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2272571

Change-Id: I0a668f3f77ee2e5cf2cd77a7d0b7c4365ba24abb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>