fix headset mic
and cleanup some code formatting

N/A

Change-Id: I80332d0eff1dc23250bd9889313df49b0b28fb21
Signed-off-by: huangqiwu <huangqiwu@xiaomi.com>

Conflicts:

	alsa_sound/ALSADevice.cpp
	libalsa-intf/alsa_ucm.h
	libalsa-intf/msm8960_use_cases.h