Update Devtools DEPS.

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/35a759a..d9806b8

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

Change-Id: I9ef7be008e2b0e6fd0f6c05a86e3f546217928d3
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/1954045
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 db0037f..4b9b584 100644
--- a/DEPS
+++ b/DEPS
@@ -4,7 +4,7 @@
 
 vars = {
   'build_url': 'https://chromium.googlesource.com/chromium/src/build.git',
-  'build_revision': '35a759ad8af88fe6cf3afe655ebeff805e1ce83e',
+  'build_revision': 'd9806b8aab8f5b3c3fdb0dc20b25dc73243a62f0',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '6b3e658d6fe8cd9c2588796d296f07312b776054',