URLSearchParams: add compat data + sub-features (#2252)
URLSearchParams: add compat data + sub-features (#2252)

* URLSearchParams: add compat data + sub-features

Sources:
1. MDN article:
   https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams#Browser_compatibility
2. Chromium bug tracker:
   https://crbug.com/303152 (URLSearchParams)
   https://crbug.com/680531 (constructor)
   https://crbug.com/697378 (constructor)
   https://crbug.com/682143 (sort)
3. Firefox bug tracker:
   https://bugzil.la/887836 (URLSearchParams)
   https://bugzil.la/959684 (stringifier)
   https://bugzil.la/1330678 (constructor)
   https://bugzil.la/1331580 (constructor)
   https://bugzil.la/1331864 (sort)
   https://bugzil.la/1085284 (iterable)

* Sort browsers/features; address review comments

* Use parentheses in constructor description: URLSearchParams → URLSearchParams()

chrisdavidmills/browser-compat-data,teoli2003/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data