Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/fe4a41a..afca68d

Roll created at https://cr-buildbucket.appspot.com/build/8698894868360150833

Bug: none
Change-Id: If807d38b97f395c7f42e0bc3cafee8edfc179e35
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7127955
Bot-Commit: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: 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': 'fe4a41a49e1a6fbab376196193eead48a84cac3d',
+  'build_revision': 'afca68d9c90771bdd2365e2d5bee188159828448',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '628cf12465dae2a157524a23608a58b525d30623',