Roll src/third_party/angle/ 33e05babb..f2807385c (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/33e05babbc69..f2807385cbc9

$ git log 33e05babb..f2807385c --date=short --no-merges --format='%ad %ae %s'
2018-04-24 geofflang D3D: Use an alignment of 1 when uploading zero data to initialize textures.
2018-04-24 jmadill Vulkan: Add GetColorComponentFlags.

Created with:
  roll-dep src/third_party/angle
BUG=chromium:836131


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=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
TBR=geofflang@chromium.org

Change-Id: I7201098909db555b302a67bd4108eda1b6f30eb8
Reviewed-on: https://chromium-review.googlesource.com/1026559Reviewed-by: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#553341}

DEPS

@@ -102,7 +102,7 @@ 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': '33e05babbc69b5bc1409d0d97da6ca7477735346',
+  'angle_revision': 'f2807385cbc923d71677d43cf846cec630a42551',
   # 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.