Roll src/third_party/depot_tools 240afdb1c43a..981da03f24d0 (2 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/240afdb1c43a..981da03f24d0

git log 240afdb1c43a..981da03f24d0 --date=short --first-parent --format='%ad %ae %s'
2019-12-03 vadimsh@chromium.org [lucicfg] Update from v1.11.6 to v1.11.12.
2019-12-03 ehmaldonado@google.com gclient: Remove annotated_gclient.

Created with:
  gclient setdep -r src/third_party/depot_tools@981da03f24d0

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/depot-tools-chromium-autoroll
Please CC agable@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: chromium:1030067
Tbr: agable@chromium.org
Change-Id: I491ffcdd0df43a0cf595602909d7263ff47b8d51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1949430Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#721255}

DEPS

@@ -891,7 +891,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '240afdb1c43a304bb0145824967a1850a02c01b8',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '981da03f24d05765289811fc23e8311966dfef8c',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),