[ITS][test_in_sensor_zoom] Create a copy of image in find_center_circle

Create a copy of the image data to feed into find_center_circle's
internal routines, and save copy for debug purposes.

Bug: 344048564
Test: run scene6/test_in_sensor_zoom.py
Change-Id: I4818f408ab74052df0dbb4e39612f45333e8bb78
1 file changed