[automerger] MediaExtractor: stop rendering when an error occurs am:...

        EAS_I32 numRendered;

        EAS_RESULT result = EAS_Render(mEasData, p, mEasConfig->mixBufferSize, &numRendered);

        if (result != EAS_SUCCESS) {

            ALOGE("EAS_Render returned %ld", result);

            break;

            ALOGE("EAS_Render() returned %ld, numBytesOutput = %d", result, numBytesOutput);

            buffer->release();

            return NULL; // Stop processing to prevent infinite loops.

        }

        p += numRendered * mEasConfig->numChannels;

        numBytesOutput += numRendered * mEasConfig->numChannels * sizeof(EAS_PCM);