Update DevTools DEPS.

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/80a5599..aa90743

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

Change-Id: Iad7dfa88ea4b815cad0a9c8337f39a88b7086af7
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2245213
Reviewed-by: 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>

DEPS

diff --git a/DEPS b/DEPS
index d2f7d164..a1c3bbe 100644
--- a/DEPS
+++ b/DEPS
@@ -4,7 +4,7 @@
 
 vars = {
   'build_url': 'https://chromium.googlesource.com/chromium/src/build.git',
-  'build_revision': '80a55990fac15e34f44513209c31ef326ce1d04b',
+  'build_revision': 'aa907431f726bb8cff5ecc65c8f4dc62c0066bdf',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '574cbd5df82c6ae48805b2aa8d75e0ef76aa15aa',