Revert "Migrate FlashlightTile into new architecture"

This reverts commit 6c594853.

Reason for revert: DroidMonitor: Potential culprit for b/311388094 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Change-Id: Ie551af6bf4a0bd620d6baf95fb041bbd0db7a150