Revert "Fix a crash when registering/unregistering a smartspace timer listener."

This reverts commit e90606d9e1140fb4763fd177872031a47a107d60.

Reason for revert: seems to be the culprit for b/323782475

Change-Id: I7b864821fe1df20446a21a08e779ec0441e553a4
1 file changed