Add @RequiresPermission and fix API naming

StatusBarManager#setDisabledForSetup() requires
android.Manifest.permission.STATUS_BAR, and is now documented that way.

Also rename areNoComponentsDisabled to areAllComponentsEnabled so it
reads better

Bug: 126376147
Test: atest GtsStatusBarHostTestCases
Change-Id: I59b113a2568463541dfbd46f505489aa94aac9d9