Roll Vulkan-ValidationLayers from 74ed6cfd05c1 to 71c1a611fdbb (4 revisions)

74ed6cfd05..71c1a611fd

2020-06-22 liyl@google.com scripts: Add default sType for safe_struct initialization
2020-06-22 mark@lunarg.com layers: Updated settings file for custom structure setting
2020-06-22 mark@lunarg.com tests: Add positive test for using a non-Vulkan custom struct
2020-06-22 mark@lunarg.com chassis: Add ability to declare custom struct types

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 cwallez@google.com,amaiorano@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/+doc/master/autoroll/README.md

Bug: None
Tbr: cwallez@google.com,amaiorano@google.com
Change-Id: I9eafa4db66192d8b1ffc652f40c8562fcd4ccb60
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2258969
Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>

DEPS

@@ -58,7 +58,7 @@ vars = {
   'vulkan_tools_revision': '977b7ccbacc1071e62c1c82b242a28a2b1806ec9',
 
   # Current revision of Khronos Vulkan-ValidationLayers.
-  'vulkan_validation_revision': '74ed6cfd05c10e55af3144201f3e1706c9a6f140',
+  'vulkan_validation_revision': '71c1a611fdbbfa1711482859543cc79d5c8167f2',
 
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult