Revert "[DO NOT MERGE] Adding SystemUI's Custom Dynamic Tokens"

This reverts commit 1926bb11.

Reason for revert: Likely culprit for b/339593445  - 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: Ia733633d2c284a5708bb60f0801a7941f77412a2