8960: Fix proxy channel count setup

I9660e3088bc747c30891b0aa7ec8d22096dd0fa2 changed the method, but
applied the changes only to 8974. fixit

Change-Id: I3cd36eb80732ec9f6f8274153c4ac7cd799c3aec
hal: Update audio_extn_usb_stop_capture signature

Change-Id: I54ef1623ad9aaff87c71a5a86d69faf43af22283
Allow msm8226 to use same functions as msm8974

These features were restricted to msm8974 only when porting
changes for msm8960

Change-Id: I67807a3e73495e4701b2ed8c5ebe17c241ec5e13
Merge "Allow msm8226 to use same functions as msm8974" into cm-11.0
Merge cm 'branch cm-11.0' into dcm-11.0