Internal codec has a direct connection between
ADC1 and AMIC1. Add a switch to prevent default
powering up of AMIC1.
CRs-Fixed: 2058182
Change-Id: If00b3d239655d2ecc77654ab379bbc0bd57e5b0d
-Remove default setting of sampling rate to 48K and stereo channel
for bt a2dp as support for multiple sampling rates and channels
over a2dp is added and being set from hal.
Change-Id: I8a40182af0d97b31b136a1928cbbe6f728eb950f