Update DevTools DEPS.
Update DevTools DEPS.

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/6e49eef..1bee638

Rolling buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/8d21328..1f38b43

TBR=machenbach@chromium.org,liviurau@chromium.org

Change-Id: I77c687a91da453ca2143450124421892e3a28435
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2002633
Reviewed-by: Devtools Autoroller <075cca983f8f93eec1be8cf9702f03e09507e730@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Devtools Autoroller <075cca983f8f93eec1be8cf9702f03e09507e730@chops-service-accounts.iam.gserviceaccount.com>

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