Fix "hardware/qcom/audio/post_proc/effect_api.c:67:17: error: use of undeclared identifier 'EINVAL'"

Change-Id: I09c96c1a0b6f57c42969a375fedb0cb5b0b66c40
Merge "Fix "hardware/qcom/audio/post_proc/effect_api.c:67:17: error: use of undeclared identifier 'EINVAL'""