Merge "Fix the dark theme obscures the center marker of audio balance slider."...

Merge "Fix the dark theme obscures the center marker of audio balance slider." into rvc-dev am: 5d19a1f0 am: c0ccd1ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/11900664

Change-Id: I0d867616b7b83cb9b5f1eb4f2c5aaab5e10461bb