ITS: updates for opencv 3.4.15 -> 4.5.3

Also tested python 3.9.2

Files affected:
  test_sensor_fusion.py
  opencv_processing_utils.py

Other changes:
  merge unit test for no rotation into rotation test

bug: 196042903
Change-Id: I42bd9c791ad6ec149e172b0e6eb7e2ec76506664
2 files changed