Fixes status bar font color for AccessibilityMenu settings page.

No feature flag: trivial fix & unable to flag styles.xml changes.

Bug: 293838354
Test: open Settings > Accessibility > Accessibility Menu > Settings;
      Ensure status bar font is visible: dark for light mode
      background, and light for dark mode background.
Change-Id: I8f596f022fbbbc3e835cabb614370a18d33a6104