am be567be3: Merge "Check for NULL buffer in repeat-latest" into klp-dev

    if (mLatestSubmittedBufferId < 0 || mSuspended) {

        return false;

    }

    if (mBufferSlot[mLatestSubmittedBufferId] == NULL) {

        // This can happen if the remote side disconnects, causing

        // onBuffersReleased() to NULL out our copy of the slots.  The

        // buffer is gone, so we have nothing to show.

        //

        // To be on the safe side we try to release the buffer.

        ALOGD("repeatLatestSubmittedBuffer_l: slot was NULL");

        mBufferQueue->releaseBuffer(

                mLatestSubmittedBufferId,

                mLatestSubmittedBufferFrameNum,

                EGL_NO_DISPLAY,

                EGL_NO_SYNC_KHR,

                Fence::NO_FENCE);

        mLatestSubmittedBufferId = -1;

        mLatestSubmittedBufferFrameNum = 0;

        return false;

    }

    int cbi = findAvailableCodecBuffer_l();

    if (cbi < 0) {