Roll SwiftShader from 90c0551ca547 to c1e4abc1bcfe (2 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/90c0551ca547..c1e4abc1bcfe

2021-06-02 srisser@google.com Make clang-format-all.sh only look at source files
2021-06-02 srisser@google.com Pass unclamped fragcoord.z to shader

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 ynovikov@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: ynovikov@google.com
Change-Id: I9e2c4bf7686d18532dce06cc73b6904e8da2160e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2935069
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 8225b51..861872c 100644
--- a/DEPS
+++ b/DEPS
@@ -484,7 +484,7 @@
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@90c0551ca547914f96b32d50bba9c2126b45be41',
+    'url': '{swiftshader_git}/SwiftShader@c1e4abc1bcfeae3ea17279b1f3d419406769c77d',
     'condition': 'not build_with_chromium',
   },