Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/9cee432..c2cdafe

Roll created at https://cr-buildbucket.appspot.com/build/8707270421424210465

Bug: none
Change-Id: I02d8222c734e96e90dc9e897deb0303eb55b9076
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6824623
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': '9cee43201ee480f643e0a446edb0c9000dc48aa2',
+  'build_revision': 'c2cdafec8c0a9e96acbc5ba8c24f9c88dbb5c7d6',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '16b1d7d539c0ea4a367bc4860f9002a0bb6c790e',