Roll ANGLE 8495498..4c32feb

https://chromium.googlesource.com/angle/angle.git/+log/8495498..4c32feb

BUG=

TBR=cwallez@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

Review-Url: https://codereview.chromium.org/2153473002
Cr-Commit-Position: refs/heads/master@{#405580}

DEPS

@@ -48,7 +48,7 @@ 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': '84954988ad266c11cacdfd716bf09e3d7910ec7b',
+  'angle_revision': '4c32feb1940a8e9a11e48f916176e84dfa3f01d6',
   # 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.