Revert "Changing TonalSpot Chroma from 4 to 6"

Revert submission 20534530-ColorAPIUpdate

Reason for revert: DroidMonitor-triggered revert due to bug b/266751484

Reverted changes: /q/submissionid:20534530-ColorAPIUpdate

Change-Id: I73b6dc35d24c9808e761f3fb9d26c19019384c7e
1 file changed