Roll third_party/SwiftShader 63ed0e445fa5..3cfa8e28be80 (7 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/63ed0e445fa5..3cfa8e28be80

git log 63ed0e445fa5..3cfa8e28be80 --date=short --first-parent --format='%ad %ae %s'
2020-04-09 sugoi@google.com Remove debug only code limiting the number of primitives
2020-04-08 bclayton@google.com Regres: Post coverage results even if the test lists have not changed.
2020-04-08 amaiorano@google.com CMake: split out all src/OpenGL targets into their own CMakeLists
2020-04-08 amaiorano@google.com CMake: split out SwiftShader GL deps into separate files
2020-04-08 amaiorano@google.com CMake: clean up dependencies
2020-04-08 bclayton@google.com Add SystemBenchmarks.
2020-04-08 bclayton@google.com VkCommandBuffer: Remove static Cast() method

Created with:
  gclient setdep -r third_party/SwiftShader@3cfa8e28be80

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-angle-autoroll
Please CC jonahr@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: jonahr@google.com
Change-Id: I360d07f9e492b562cd4c92e7a2fb8e2e40c4f129
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2143564
Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 3062173..4dbe1a6 100644
--- a/DEPS
+++ b/DEPS
@@ -186,7 +186,7 @@
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@63ed0e445fa525ee01637350ea92fbdaa2226c73',
+    'url': '{swiftshader_git}/SwiftShader@3cfa8e28be802d45dc314e96db4064afcef88f4b',
     'condition': 'not build_with_chromium',
   },