audio: syncing the USB config for mfg

currently mfg audio tool using audio-recordC usb-headset-mic
in mixer_paths.xml, add a new path for mfg usb recording to
switching the usb mic source

modify the usb alsa control to v2 since the latest alsa control
already changed

Bug: 213027646
Test: verify pass with mfg tool usb-record
Signed-off-by: vincenttew <vincenttew@google.com>
Change-Id: If3af632ed2bddcdd1329f17fc89ea82162d810ae
2 files changed