Update HW toggle state on boot only if enabled

 Do not notify HW toggle changes on device boot unless enabled (muted),
 otherwise the software privacy toggles will be disabled.

Test: Disable HW mic toggle (unmute) > Mute mic via software toggle >
   Reboot device > Mic is still muted via SW toggles

Bug: 258070117
Change-Id: I6cbabac476cdbf6c16bb7a8eaa9d1850d7239e83