Roll src/third_party/depot_tools/ b1c21a5af..53a115e67 (5 commits; 1 trivial rolls)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/b1c21a5af2ec..53a115e67e50

$ git log b1c21a5af..53a115e67 --date=short --no-merges --format='%ad %ae %s'
2018-04-12 asanka Add a '--inject-current' option to 'git new-branch'
2018-04-12 petermayo Remove petermayo from OWNERS
2018-04-03 ehmaldonado Reland "presubmit support: Run all tests in parallel."
2018-04-12 ehmaldonado gclient: Don't parse DEPS files that we won't recurse into.

Created with:
  roll-dep src/third_party/depot_tools
BUG=chromium:819774,chromium:830306


The AutoRoll server is located here: https://depot-tools-chromium-roll.skia.org

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


TBR=agable@chromium.org

Change-Id: I9f5c9eed3ed2ee72ff566d0ff08f6e751e4d89d8
Reviewed-on: https://chromium-review.googlesource.com/1011301
Commit-Queue: depot-tools-chromium-autoroll <depot-tools-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: depot-tools-chromium-autoroll <depot-tools-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#550528}

DEPS

@@ -510,7 +510,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'b1c21a5af2ec8d77cd9f221473d2b724534b904e',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '53a115e67e50a1878586982eefb69958dfeda4a2',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),