Revert "Migrate MainSwitchBar to Material3"

This reverts commit 826a4b8da83e03960d4cb7ec3e0e49cb68e6047e.

Reason for revert: DroidMonitor revert for b/310156713

Bug: 310156713
Change-Id: If77fab22f9ee2c9de3006db7be9748dbcebeae23
3 files changed