Add a verification flow for the user to exit repair mode am: 1c95758c am:...

Add a verification flow for the user to exit repair mode am: 1c95758c am: dc17915c am: 3ae5657e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2781893



Change-Id: I2fc2b27c8f5770fcde279e6486fb219ae953627d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>