Roll SwiftShader from 643179694ec7 to 74e34ab97aeb (7 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/643179694ec7..74e34ab97aeb

2022-05-06 capn@google.com Override the SPIRV-Headers path to use local copy
2022-05-06 capn@google.com Fix SPIRV-Tools Android.bp build
2022-05-05 amaiorano@google.com Update SPIR-V Headers to b765c355f
2022-05-05 amaiorano@google.com Update SPIR-V Tools to 7014be600
2022-05-05 amaiorano@google.com update-spirvheaders: run Gerrit hook on generated CLs
2022-05-05 amaiorano@google.com update-sprivtools: run Gerrit hook on generated CLs
2022-05-04 pkasting@chromium.org Remove use of std::iterator, which is gone in C++20.

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 abdolrashidi@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in ANGLE: https://bugs.chromium.org/p/angleproject/issues/entry

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/main/autoroll/README.md

Bug: None
Tbr: abdolrashidi@google.com
Change-Id: I09d85b64d3021add4089fae993a5f5fd31c74421
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3632627
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -505,7 +505,7 @@ deps = {
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@643179694ec75904ae26664bf43d30cf4cd99909',
+    'url': '{swiftshader_git}/SwiftShader@74e34ab97aeb2a6b68d52a9e0112968b33b509ea',
     'condition': 'not build_with_chromium',
   },