Update DevTools DEPS.
Update DevTools DEPS.

Rolling buildtools/linux64: git_revision:a5bcbd726ac7bd342ca6ee3e3a006478fd1f00b5..git_revision:0c5557d173ce217cea095086a9c9610068123503

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/7a8bf94..a1266b6

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

Change-Id: Idff048a1881f69165fdde7061ffed0a65ab075f1
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/1999803
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