Roll src/third_party/angle f2bf49e20849..3e8a8d5b8567 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/f2bf49e20849..3e8a8d5b8567


git log f2bf49e20849..3e8a8d5b8567 --date=short --no-merges --format='%ad %ae %s'
2019-03-21 jmadill@chromium.org Force new displays on each Windows 7 end2end test.
2019-03-21 jmadill@chromium.org Work around line loop streaming bug.


Created with:
  gclient setdep -r src/third_party/angle@3e8a8d5b8567

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-chromium-autoroll

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=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:944454,chromium:943087
TBR=jmadill@chromium.org

Change-Id: I440c87a236ba78746a51bc74ca733e4f2518704d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1534431
Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#643126}