DO NOT MERGE ANYWHERE Revert "Add the Finder shutdown message to AOSP"

Revert submission 26334207-finder_shutdown

Reason for revert: Revert in 24d1

Reverted changes: /q/submissionid:26334207-finder_shutdown

Change-Id: I49e3f3b98a9c60640936818491e91b4754241d9d