Add EFFECT_CMD_SET_PARAM parameter checking

Bug: 30204301
Change-Id: Ib9c3ee1c2f23c96f8f7092dd9e146bc453d7a290
(cherry picked from commit e4a1d91501d47931dbae19c47815952378787ab6)

status_t AudioFlinger::EffectModule::stop()
{
 Mutex::Autolock _l(mLock);
 return stop_l();
}

status_t AudioFlinger::EffectModule::stop()
{
 Mutex::Autolock _l(mLock);
 return stop_l();
}
