Roll shaderc from f1e7813be659 to caa519ca532a (1 revision)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/f1e7813be659..caa519ca532a

2020-06-17 rharrison@google.com Add support for different default/trunks in roll-deps (#1086)

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/+doc/master/autoroll/README.md

Tbr: radial-bots+chrome-roll@google.com
Change-Id: Ia292e905ead2751c86a67ab08e904a2865661f30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2249521Reviewed-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@{#779217}

DEPS

@@ -301,7 +301,7 @@ 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': 'f1e7813be6598f75128c6a7ac4b386f4e8a8f9a0',
+  'shaderc_revision': 'caa519ca532a6a3a0279509fce2ceb791c4f4651',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.