Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/1c624af..feff4a5

Roll created at https://cr-buildbucket.appspot.com/build/8743615796558127121

Bug: none
Change-Id: I00dbfdf26cfab140355c6cf1de18fcb3c6ac3a9c
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/5668164
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': '1c624af3b4b3d489b3c2c095ea4ed90c9f50e88c',
+  'build_revision': 'feff4a53b09babff016cce3e1d826fe1cb0f7913',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '2984b8fcc42d742248af2879c9d74bca911c1fc9',