增加备注

app/src/main/cpp/camera2/ndkcamera.cpp

@@ -765,6 +765,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
     if (mstatus != AMEDIA_OK)
     {
         // error
+        // https://stackoverflow.com/questions/67063562
         if (mstatus != AMEDIA_IMGREADER_NO_BUFFER_AVAILABLE)
         {
             XYLOG(XYLOG_SEVERITY_ERROR, "AImageReader_acquireLatestImage error: %d", mstatus);