Merge "audio HAL: fix getParameters status check." into oc-dev

        halKeys.addKey(String8(keys[i].c_str()));

    }

    std::unique_ptr<AudioParameter> halValues = getParams(halKeys);

    Result retval =

        halValues->size() == keys.size() ? Result::OK : Result::NOT_SUPPORTED;

    Result retval = (keys.size() == 0 || halValues->size() != 0)

                        ? Result::OK

                        : Result::NOT_SUPPORTED;

    hidl_vec<ParameterValue> result;

    result.resize(halValues->size());

    String8 halKey, halValue;