Roll src/third_party/angle 12b25347dc68..896e7ded5f25 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/12b25347dc68..896e7ded5f25


git log 12b25347dc68..896e7ded5f25 --date=short --no-merges --format='%ad %ae %s'
2019-04-04 jmadill@chromium.org Use compressed internal format as 'format' in tables.
2019-04-04 jmadill@chromium.org Minor cleanups to copy vertex.


Created with:
  gclient setdep -r src/third_party/angle@896e7ded5f25

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:943709
TBR=syoussefi@chromium.org

Change-Id: Ib25e71b05301b9dcf879a9212e72effce69ef991
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1553659
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@{#647847}