Mac: Hotreload
Tester: Test for manually check changing devices.
Fix call volume typo in documentation. Add a manual test for checking device changed by doing manual OS updates. It can be run with options --all --suite "Audio Routes --test "Simple call with real audio devices reload"
Add 2 tools function to detect volumes on record/playback. Move usable functions into global headers to avoid future code duplications: check device name and id. For tester, fix missing entitlements in plist to access microphones.
Hot-reload for Mac Audio Unit: - Make Filter following default device. - Add "Default Capture"/"Default Playback" cards. - Fix muted devices where sample rate is not managed by Audio unit. - Factorization on getting default device, sample rate, notifications. - Add [MSAU] debug flag and fix message typos.