Roll third_party/vulkan-tools/src bec7b6e29260..d712a6b03b9e (4 commits)
Roll third_party/vulkan-tools/src bec7b6e29260..d712a6b03b9e (4 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Tools.git/+log/bec7b6e29260..d712a6b03b9e

git log bec7b6e29260..d712a6b03b9e --date=short --first-parent --format='%ad %ae %s'
2020-03-30 jeremyk@lunarg.com build: Update glslang commit ID in known-good.json
2020-03-30 jeremyk@lunarg.com travis: Add clang-format verions output to travis
2020-03-30 jeremyk@lunarg.com docs: Update clang-format version in docs
2020-03-28 charles@lunarg.com vulkaninfo: Fix lack of display throwing on linux

Created with:
  gclient setdep -r third_party/vulkan-tools/src@d712a6b03b9e

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-tools-angle-autoroll
Please CC 470c533e86f4f848c98c7e11fffc2d043494a401@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: 470c533e86f4f848c98c7e11fffc2d043494a401@google.com
Change-Id: I3b3438f38c4c1adbe18ddc575b93cba1f85a7fa7
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2129395
Reviewed-by: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>

ppy/angle,ppy/angle,ppy/angle,ppy/angle