Revert "audioflinger: Fix pops in LPA while effects are applied"

This reverts commit eb1b686985b11943a74ec030b7589fdce199b8ec.

Change-Id: I1d30ad9e998900b960e5509a48b82a09aee3e0c8
Merge remote-tracking branch 'cyanogen/cm-11.0' into cm-11.0