Correct SensorPrivacyState if needed, prevent state from going bad

If a device doesn't support sensor privacy, it should not be allowed to
enable it. If it has been enabled, disable it.

Bug: 280005257
Fixes: 280878138
Test: atestSensorPrivacyCameraTest
Change-Id: Ic68f61624ae427682f3636ed1717f492d6f484ab