Roll Skia from 7764cec703d1 to 39c6266b531e (1 revision)

https://skia.googlesource.com/skia.git/+log/7764cec703d1..39c6266b531e

2020-07-03 cwallez@chromium.org Roll shaderc and spirv-cross

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-skiabot-test-autoroll
Please CC borenet@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: borenet@google.com
Change-Id: Ib201a873371c918f76e43ef7081c2e63afb3a306
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/300412
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index a2c51f4..bba94ad 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '7764cec703d115d87f8525c814233d89fc60d002',
+  'skia_revision': '39c6266b531e523cdfb83f8b5e81f3e3d9140978',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.