Use @types for a few d.ts files in src#20157

mjbvz merged 1 commit intomicrosoft:mastermicrosoft/vscode:masterfrom

mjbvz:use-at-typings-files-for-some-modules-in-srcmjbvz/vscode:use-at-typings-files-for-some-modules-in-srcCopy head branch name to clipboard