Clean up redundant Promise.resolve() in ARIAAttributesView.js
Clean up redundant Promise.resolve() in ARIAAttributesView.js

Bug: chromium:1161501
Change-Id: I4675e9347c58187725455466604bbd0fccf637b2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2601933
Auto-Submit: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>
Reviewed-by: Jan Scheffler <8abd9e3d93041d096604cb2a1b3070dd7075ba7b@chromium.org>
Commit-Queue: Jan Scheffler <8abd9e3d93041d096604cb2a1b3070dd7075ba7b@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend