audio: remove handset pop-noise

When receiver opens immediately after it is  closed, the pop-noise occurs.

Change-Id: I8e5374edea9f8710963b7669e64b109db2354650

Signed-off-by: poondog <markj338@gmail.com>
DRIVERS: CPUFREQ: revert to stock GPE ondemand governor. Because I liked the behavior of stock kk sense governor too. Tuning will start again :)

Signed-off-by: poondog <markj338@gmail.com>