legacy/msm7x30: Change default audio sample rate

Return Host PCM interface sample rate based on
AF resampler quality value.

(cherry picked from commit fbaba9b736d0b77c989c80946ffb7d105641c07d)

Change-Id: I204f423051d97be5ff4dfa9805406eca61a25966
audio/msm7x30: Support for Samsung audio devices

Change-Id: I2a624cddd99e02a9e0c73e829cc28dd520902074
legacy/msm7x30: Fix audio resampler check

https://github.com/CyanogenMod/android_frameworks_av/commit/ac6020508acedd316391dee42329040bf45f8d90 changed 255 to 4

Change-Id: I30c1a15659da42b8e61f04b6f9203631e627eb87
legacy/msm7x30: Silence logcat spam

Change-Id: I3cbc59c2655fd9e31e765104e66d3f65cd95875e
legacy/msm7x30: Enable stereo recording

Change-Id: I979aa8665366ca1f58450533414177204e8629e2