Roll ANGLE 417df92..b4533de

https://chromium.googlesource.com/angle/angle.git/+log/417df92..b4533de

BUG=680631

TBR=geofflang@chromium.org

TEST=bots

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

Review-Url: https://codereview.chromium.org/2629213002 .
Cr-Commit-Position: refs/heads/master@{#443422}

DEPS

@@ -52,7 +52,7 @@ 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': '417df92f01f7fb8564ab648d6951c864f612ced3',
+  'angle_revision': 'b4533de1fdf7f5ac2fb4824582e13cb55ca94dd8',
   # 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.