httplib2: Update httplib2 to 0.13.1

Upgrade pip package for httplib2 to 0.13.1, which is the latest release
of the package, in an attempt to resolve issues with the latest version
of python with Bionic.

Bug: chromium:989683
Change-Id: I0cada2c7121462d480c562074bd96081b6481782
diff --git a/OWNERS b/OWNERS
index a2edce9..1644032 100644
--- a/OWNERS
+++ b/OWNERS
@@ -2,3 +2,21 @@
 ayatane@chromium.org
 pprabhu@chromium.org
 xixuan@chromium.org
+
+# Build Team
+cjmcdonald@chromium.org
+lamontjones@chromium.org
+mmortensen@google.com
+nednguyen@google.com
+saklein@chromium.org
+vapier@chromium.org
+
+# CI team
+andrewlamb@chromium.org
+dburger@chromium.org
+dhanyaganesh@chromium.org
+engeg@chromium.org
+evanhernandez@chromium.org
+jclinton@chromium.org
+mikenichols@chromium.org
+seanabraham@chromium.org
diff --git a/pip_packages/httplib2-0.13.1-py2-none-any.whl b/pip_packages/httplib2-0.13.1-py2-none-any.whl
new file mode 100644
index 0000000..f02be93
--- /dev/null
+++ b/pip_packages/httplib2-0.13.1-py2-none-any.whl
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