Revert "Modes Tile: load default drawable in mapper"

This reverts commit 726283a3.

Reason for revert: <Potential culprit for b/373193674  - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.
Re: go/revert-it>

Change-Id: I1adf4169ec5feeeb1ae1aa70f30ce5471f80b603