Refactor for audio device type in conversion.

As audio device type can not be used as bit mask any more, refactoring
audio device type usages in conversion from/to HAL. Use a set of audio
device types instead of bit mask.

Bug: 135621476
Test: atest AudioPlaybackCapture
Test: play and capture audio with BT and usb headset
Change-Id: If4a5c5002d6d4ccb7aaf823111b371d417784b19
Merged-In: If4a5c5002d6d4ccb7aaf823111b371d417784b19