Roll src/third_party/shaderc/src aface10e934e..1db568ebb1f0 (1 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/aface10e934e..1db568ebb1f0

git log aface10e934e..1db568ebb1f0 --date=short --first-parent --format='%ad %ae %s'
2020-03-31 dgkoch@users.noreply.github.com update glslang to SDK-Candidate-2 tag (#1027)

Created with:
  gclient setdep -r src/third_party/shaderc/src@1db568ebb1f0

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/shaderc-chromium-autoroll
Please CC radial-bots+chrome-roll@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: radial-bots+chrome-roll@google.com
Change-Id: I05ccc4cf0325e5733febc00ad3a46d47143d79f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2129856Reviewed-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@{#754996}

DEPS

@@ -298,7 +298,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'shaderc_revision': 'aface10e934e4b2b5b83979879a6f1e3e37431d3',
+  'shaderc_revision': '1db568ebb1f0efbf72cc94795d13c9bf8e126406',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.