Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/2683ff3..475af16

Roll created at https://cr-buildbucket.appspot.com/build/8695723976330410833

Bug: none
Change-Id: Ic796a72355f84083814a31666b8727cd30c9dd26
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7253956
Commit-Queue: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>

Author: devtools-ci-autoroll-builder

DEPS

@@ -12,7 +12,7 @@ vars = {
   'build_with_chromium': False,
 
   'build_url': 'https://chromium.googlesource.com/chromium/src/build.git',
-  'build_revision': '2683ff330e3b6f780965c451ca74b9a6a051f095',
+  'build_revision': '475af16a06f06b55def0655b6ef461f84c3eb3f2',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '797cad2655a981ef74a1703349859c9bbc0177a1',