Roll third_party/vulkan-validation-layers/src 38f68cce445b..8c312ef4c7a9 (5 commits)
Roll third_party/vulkan-validation-layers/src 38f68cce445b..8c312ef4c7a9 (5 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/38f68cce445b..8c312ef4c7a9

git log 38f68cce445b..8c312ef4c7a9 --date=short --first-parent --format='%ad %ae %s'
2020-02-27 mark@lunarg.com threading: Remove use of debug report defs
2020-02-27 attilio.provenzano@arm.com tests: Add BP tests for small allocations
2020-02-27 attilio.provenzano@arm.com practices: Add checks for memory allocations
2020-02-27 attilio.provenzano@arm.com tests: Add BP tests for command buffers
2020-02-27 attilio.provenzano@arm.com practices: Add checks for command buffers

Created with:
  gclient setdep -r third_party/vulkan-validation-layers/src@8c312ef4c7a9

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-validation-layers-angle-autoroll
Please CC b6fc25fe0362055230985c05cbfa8adb741ccc0f@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: b6fc25fe0362055230985c05cbfa8adb741ccc0f@google.com
Change-Id: I95d6318d381accc38b0c6a8743cb7c2e3bb7927e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2080039
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