Merge "ITS: Handle non 4:3 ARs in test_tonemap_curve.py" into stage-aosp-sc-ts-dev am: e82dc55c98 am: 51cee54d46

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/15838011

Change-Id: I0cec6017eea2f7b43107834765a4c30aa14c6e85