Roll src/third_party/angle/ e4741fd0f..5dd4ad896 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/e4741fd0f2bc..5dd4ad896bcb

$ git log e4741fd0f..5dd4ad896 --date=short --no-merges --format='%ad %ae %s'
2018-01-29 jmadill Vulkan: Add a perf test for the Pipeline cache.
2018-01-25 oetuaho Resubmit: Use ImmutableString for HLSL texture references
2018-01-29 oetuaho Only return symbol from TSymbolTable::find

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=jmadill@chromium.org

Change-Id: Ibcca7649679b317324dc3a5d22c1aa07545e86ac
Reviewed-on: https://chromium-review.googlesource.com/892367
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532815}

DEPS

@@ -95,7 +95,7 @@ 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': 'e4741fd0f2bce711a90bdebe2ac8e83cf944b8e8',
+  'angle_revision': '5dd4ad896bcb69b7e3747c1a17e6b07da63753e8',
   # 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.