Roll src/third_party/freetype/src 6a431038c911..13c0df80dca5 (2 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/6a431038c911..13c0df80dca5

git log 6a431038c911..13c0df80dca5 --date=short --first-parent --format='%ad %ae %s'
2020-03-22 ramakrishnan.nikhil@gmail.com [docs] Fix building docs if `srcdir' != `builddir'.
2020-03-21 ramakrishnan.nikhil@gmail.com [docwriter] Drop support for Python < 3.5.

Created with:
  gclient setdep -r src/third_party/freetype/src@13c0df80dca5

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/freetype-chromium
Please CC bungeman@google.com,drott@google.com,thestig@google.com 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

Cq-Include-Trybots: luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux-blink-rel;luci.chromium.try:mac10.12-blink-rel;luci.chromium.try:mac10.13_retina-blink-rel;luci.chromium.try:win10-blink-rel;luci.chromium.try:win7-blink-rel
Bug: None
Tbr: bungeman@google.com,drott@google.com,thestig@google.com
Change-Id: I43a54d99663fc8cca2acd0896e90ce56a518bb06
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2113204Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Reviewed-by: Dominik Röttsches <drott@chromium.org>
Commit-Queue: Dominik Röttsches <drott@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752391}

DEPS

@@ -226,7 +226,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling freetype
   # and whatever else without interference from each other.
-  'freetype_revision': '6a431038c9113d906d66836cd7d216a5c630be7c',
+  'freetype_revision': '13c0df80dca59ce2ef3ec125b08c5b6ea485535c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling HarfBuzz
   # and whatever else without interference from each other.

third_party/freetype/README.chromium

 Name: FreeType
 URL: http://www.freetype.org/
-Version: VER-2-10-1-111-g6a431038c
-Revision: 6a431038c9113d906d66836cd7d216a5c630be7c
+Version: VER-2-10-1-113-g13c0df80d
+Revision: 13c0df80dca59ce2ef3ec125b08c5b6ea485535c
 License: Custom license "inspired by the BSD, Artistic, and IJG (Independent
          JPEG Group) licenses"
 License File: src/docs/FTL.TXT