Fix documentation warnings generated by JavaDoc (NFC) (#3428)

Some C++ Doxygen comments were updated to reflect any wording changes.

See `rg "(@return|@param \w+) TODO" | less` for list of incomplete docs.

cameraserver/src/main/java/edu/wpi/first/vision/VisionPipeline.java

@@ -17,6 +17,8 @@ public interface VisionPipeline {
   /**
    * Processes the image input and sets the result objects. Implementations should make these
    * objects accessible.
+   *
+   * @param image The image to process.
    */
   void process(Mat image);
 }