Code: int NsSetParameter (preproc_effect_t *effect, void *pParam, void *pValue)
 {
     int status = 0;
     return status;
}

Commit Message: audio effects: fix heap overflow

Check consistency of effect command reply sizes before
copying to reply address.

Also add null pointer check on reply size.
Also remove unused parameter warning.

Bug: 21953516.
Change-Id: I4cf00c12eaed696af28f3b7613f7e36f47a160c4
(cherry picked from commit 0f714a464d2425afe00d6450535e763131b40844)

CWE ID: CWE-119
int NsSetParameter (preproc_effect_t *effect, void *pParam, void *pValue)
int NsSetParameter (preproc_effect_t *effect __unused,
                    void *pParam __unused,
                    void *pValue __unused)
 {
     int status = 0;
     return status;
}
