Fix audio capture for sample rates over 8khz

Change-Id: Ic8b9bd80ac1f161f3523f2182c3b3252189db0a9
Revert "Use 8khz while the camera audio bug exists"

This reverts commit 64750e4f2e8011e7146088c11ef8070d1ef0b716.

Change-Id: Ic8acefc3d1e0c3bf22cdf46f776131ef4d6590f3