Revert "Add the Finder shutdown message to AOSP"

Revert submission 26334207-finder_shutdown

Reason for revert: Revert in 24d1
Bug: 336916273

Reverted changes: /q/submissionid:26334207-finder_shutdown
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:88da6b2e2f24432069116d46e70dd63c4d08a93a)
Merged-In: I20b3d485a00109060a6ed206503aa3c12c812969
Change-Id: I20b3d485a00109060a6ed206503aa3c12c812969
9 files changed