Poweramp can't output to SPDIF through "Hi-Res Output" or "Float32 Sample format" under "AudioTrack Output"

[Willson]

• Poweramp build number              : v3-build-860-uni
• your device model                         : FiiO M11 Pro
• your Android version                     : Android 7.0
• your custom ROM name/version: FiiO formal release 1.0.1
• steps to reproduce:

1. Connect FiiO M11 Pro and TEAC UD-505 with RCA to 3.5mm coaxial cable.
2. Output plugins select "Hi-Res Output" or  "AudioTrack Output" that enabled "Float32 Sample format".
3. UD-505 show check when play the audio. -> issue

• Isolation:

1. "OpenSL ES Output" or "AudioTrack Output" that disabled "Float32 Sample format" can work normally.
2. The highest supported format for UD-505 is 24 bit, 192kHz.