Change domain change threshold from .15 to .2 #4831

Job	Run time
debug_all_tests (ubuntu-latest)	4m 57s
debug (ubuntu-latest)	4m 48s
release (ubuntu-latest)	3m 42s
Release64 (ubuntu-latest)	3m 40s
debug64_all_tests (ubuntu-latest)	4m 55s
release_all_tests (ubuntu-latest)	3m 52s
debug64 (ubuntu-latest)	4m 13s
Release64_all_tests (ubuntu-latest)	4m 31s
	34m 38s

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