Roll src/third_party/depot_tools 2cbae8a8b9f6..88d7869db091 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/2cbae8a8b9f6..88d7869db091

git log 2cbae8a8b9f6..88d7869db091 --date=short --no-merges --format='%ad %ae %s'
2019-10-11 ehmaldonado@chromium.org Reland "depot_tools: Add httplib2 to .vpython"

Created with:
  gclient setdep -r src/third_party/depot_tools@88d7869db091

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

TBR=agable@chromium.org

Bug: chromium:1002153
Change-Id: I78ad64b527de6f93252dc272e4dd708ca83abd85
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1857192Reviewed-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@{#705383}

DEPS

@@ -887,7 +887,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '2cbae8a8b9f61ad88e51f3b9fa30f97824db614b',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '88d7869db09169044c1a0b2d1fbb57f11ffaee2a',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),