Roll src/third_party/angle/ 2e551f6bc..2d8e432a9 (1 commit)

https://chromium.googlesource.com/angle/angle.git/+log/2e551f6bc5f2..2d8e432a9e50

$ git log 2e551f6bc..2d8e432a9 --date=short --no-merges --format='%ad %ae %s'
2018-01-22 oetuaho Add ImmutableString to encapsulate some compiler strings

Created with:
  roll-dep src/third_party/angle


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=ynovikov@chromium.org

Change-Id: I335784fb44c917ffe592ed0ece2cfd3b20366914
Reviewed-on: https://chromium-review.googlesource.com/886644Reviewed-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@{#531904}

DEPS

@@ -91,7 +91,7 @@ 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': '2e551f6bc5f279286bf63139af9fb96a70d1e059',
+  'angle_revision': '2d8e432a9e506c72fdff72c93144eb6e5e3596fc',
   # 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.