exclude TrackerTLD.update test on travis for 3.1.0 and 3.2.0
exclude TrackerTLD.update test on travis for 3.1.0 and 3.2.0

justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs