Roll src/third_party/angle/ f13cadd8b..54a29ffd8 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/f13cadd8bd5f..54a29ffd82e7

$ git log f13cadd8b..54a29ffd8 --date=short --no-merges --format='%ad %ae %s'
2017-11-28 oetuaho Refactor TSymbol to follow naming conventions
2017-11-27 oetuaho Fix scalarizing vec and mat constructor args

Created with:
  roll-dep src/third_party/angle
BUG=772653


The AutoRoll server is located here: https://angle-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.


CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=jmadill@chromium.org

Change-Id: I06e2ac5b82354070505d5314e67eef11790a37ff
Reviewed-on: https://chromium-review.googlesource.com/796714
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520141}

DEPS

@@ -86,7 +86,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'f13cadd8bd5fa1f4f4ab78b594812117c26a4b95',
+  'angle_revision': '54a29ffd82e7782c764b5257365e7f148f48ca4a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.