* Support m4a audio import

* Fix m4a import for non-Win platforms

* Add SharpJaad as default AAC decoder

* Fix AACWaveReader logic (use mp4 container api)

* Swallow exceptions to make m4a decoding work

* Use decoded information for wave format (mainly for HE-AAC)

* Add warning for multi-track M4A files

* Throw exception for DRM-protect M4A files

* Add null DecoderSpecificInfo guard

* Throw exception for unsupported profile

* Throw exception when all frames failed to decode

* Remove FFmpeg fallback in favor of SharpJaad

* Add below-zero safeguard for AACWaveReader Read() method

* Add catch for non-AAC Exception

* Use first successful audio format vars to prevent overwrite each frame

* Remove Dispose() override since nothing is overridden