Pick commits:
d97fea4 - Switch device only when the users don't specifiy a particular device (#697)
bdf2837 - Don't reset device if DISABLE_DEVICE_SWITCHING is set
2f50db3 - Fire error callback when reinit fails
4bca265 - Make sure input latency is larger than zero
2d64fff - Return matched device from wasapi_find_bt_handsfree_output_device
f9927c4 - Rename function
8a3d20b - highlight type cast
342ff3c - Avoid duplicate GetDevicePeriod call
d292915 - Call wasapi_create_device only when necessary
016e72e - Don't reset input_bluetooth_handsfree when setting output
86210a1 - Group related lines
1e13faa - Get default_period only when we need it
Differential Revision: https://phabricator.services.mozilla.com/D142365
d75068e0ab