Revert "Update content description of active mode icon in Status Bar"

Revert submission 29669825-active-mode-a11y

Reason for revert: Droidmonitor created revert due to b/371016697. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:29669825-active-mode-a11y

Change-Id: I01cc21a61393343314b3699c69b2d5e05bfb37bc
3 files changed