Merge "Replaced `-1` with `EXIT_FAILURE` and validated confirmationui service...

Merge "Replaced `-1` with `EXIT_FAILURE` and validated confirmationui service status after registering it with `CHECK_EQ` macro." am: ce45c8ff

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2266361



Change-Id: I84757faa172c8811b22364498aeb083353b6059e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>