Roll ANGLE 37ee8a6..f047097

https://chromium.googlesource.com/angle/angle.git/+log/37ee8a6..f047097

BUG=chromium:671162

TEST=bots
NOTRY=true
TBR=geofflang@chromium.org
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/2591793002
Cr-Commit-Position: refs/heads/master@{#439817}

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': '37ee8a6b02974dcc8a1cd1b4ccaa6f8beb05be48',
+  'angle_revision': 'f04709744dd7abd4c41371fa3bfcc375fb7030cf',
   # 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.