Revert^2 "[DO NOT MERGE] Adding SystemUI's Custom Dynamic Tokens"

This reverts commit 856c8413af5a8a82a00395663b271b3e303fbce7.

Reason for revert: Try to debug the reason for the RNG test breakage.

Change-Id: I69e95878dee7a16e87363a03d972de8cbc1e2840
10 files changed