Move iterables into main d.ts files in 6.0, reference es2015 and es2018.asynciterable - #2168

Move iterables into main d.ts files in 6.0, reference es2015 and es2018.asynciterable#2168

Jake Bailey (jakebailey) merged 6 commits into

microsoft:mainmicrosoft/TypeScript-DOM-lib-generator:mainfrom

jakebailey:merge-iterablesjakebailey/TypeScript-DOM-lib-generator:merge-iterablesCopy head branch name to clipboard