Roll third_party/SwiftShader 941293d512fe..98d2cab108ce (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/941293d512fe..98d2cab108ce

git log 941293d512fe..98d2cab108ce --date=short --first-parent --format='%ad %ae %s'
2020-04-30 capn@google.com Fix JIT on separate thread
2020-04-29 capn@google.com Avoid implicitly destructing thread-locals

Created with:
  gclient setdep -r third_party/SwiftShader@98d2cab108

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 cnorthrop@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: cnorthrop@google.com
Change-Id: I9f34d4153d60788ae26d8c3a346969bf69ffa83a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2174147
Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -191,7 +191,7 @@ deps = {
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@941293d512fe2c3e6737554ea50802e3326c0196',
+    'url': '{swiftshader_git}/SwiftShader@98d2cab108cebc9fa14145a4132c3775ebb906c3',
     'condition': 'not build_with_chromium',
   },