webrender: use invocation_name as app_id

Merge pull request emacs-ng#199 from black7375/feature/native-comp

Upstream feature/native-comp for mac build

Merge pull request emacs-ng#185 from black7375/feature/native-comp

Upstream feature/native-comp

Merge pull request emacs-ng#189 from DavidDeSimone/readme-nobench

Removing fib benchmark from README