Roll src/third_party/swiftshader 7804e8109a0a..a195abb4e601 (9 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/7804e8109a0a..a195abb4e601


git log 7804e8109a0a..a195abb4e601 --date=short --no-merges --format='%ad %ae %s'
2019-04-26 capn@google.com Implement cubemap sampling
2019-04-26 chrisforbes@google.com Add support for D32_SFLOAT and D16_UNORM input attachments
2019-04-26 chrisforbes@google.com Always apply the fragment shader if it is present
2019-04-26 sugoi@google.com Allow treating a 3D image as a layered 2D image
2019-04-26 bclayton@google.com Add new debug macro UNSUPPORTED().
2019-04-26 amaiorano@google.com Fix crash when viewport Y position is negative
2019-04-26 bclayton@google.com CMakeLists: Fix REACTOR_EMIT_DEBUG_INFO builds
2019-04-26 bclayton@google.com SpirvShaderSampling: Fix flaky tests.
2019-04-26 capn@google.com Make all descriptors 16-byte aligned.


Created with:
  gclient setdep -r src/third_party/swiftshader@a195abb4e601

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:b/129523279,chromium:b/131171141,chromium:b/118386749,chromium:b/131243109,chromium:904276,chromium:b/131246679,chromium:b/129523279,chromium:b/123244275
TBR=swiftshader-team+autoroll@chromium.org

Change-Id: I4ef2c936e1a2cf461a826a412dacb2d2a7473dff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1585936Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#654616}

DEPS

@@ -145,7 +145,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '7804e8109a0a4171cd1da01756e6bf52ed4b0fe9',
+  'swiftshader_revision': 'a195abb4e601d49358c289ce456f2d06539eb32d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.