Update DevTools DEPS.

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/fc132e6..7a8bf94

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

Change-Id: I0b105f5eef104ba7f5ccfa4f225d67c3c0b2a981
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/1995484
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 eeba4ac..71293b7 100644
--- a/DEPS
+++ b/DEPS
@@ -10,7 +10,7 @@
   'buildtools_revision': '8d2132841536523249669813b928e29144d487f9',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
-  'depot_tools_revision': 'fc132e61dbe484619d780ce9dedb08986a090706',
+  'depot_tools_revision': '7a8bf94894ef3c5da4e09b1850e3b8a268153147',
 
   'inspector_protocol_url': 'https://chromium.googlesource.com/deps/inspector_protocol',
   'inspector_protocol_revision': '32a87e9a751db8f2903532134a7c8fc6932620ba',