Create a verify flag to support verification for entering repair mode am:...

Create a verify flag to support verification for entering repair mode am: 008cc901 am: 0142d3d6 am: 27a30164

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2781892



Change-Id: I40fd3158075d8009402cb380552986df50ff0c90
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>