Merge pull request #1978 from tc39/eliminate-some-false-positives

.../intl402/ListFormat/prototype/resolvedOptions/branding.js

test/intl402/Locale/prototype/maximize/branding.js

test/intl402/Locale/prototype/minimize/branding.js

test/intl402/Locale/prototype/toString/branding.js

...tiveTimeFormat/constructor/supportedLocalesOf/branding.js

test/intl402/RelativeTimeFormat/prototype/format/branding.js

...02/RelativeTimeFormat/prototype/formatToParts/branding.js

.../RelativeTimeFormat/prototype/resolvedOptions/branding.js

...l402/Segmenter/constructor/supportedLocalesOf/branding.js

test/intl402/Segmenter/prototype/resolvedOptions/branding.js

test/intl402/Segmenter/prototype/segment/branding.js