Roll SwiftShader from be7c55a2a8ce to a202c209bc91 (6 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/be7c55a2a8ce..a202c209bc91

2020-08-06 capn@google.com Refactor discerning image view types
2020-08-06 capn@google.com Don't use 2D coordinates for 1D sampling
2020-08-06 capn@google.com Specialize 1D sampling LOD calculation
2020-08-06 capn@google.com Treat the array coordinate separately
2020-08-06 capn@google.com Refactor sampling code
2020-08-06 capn@google.com Zero out texel index after sample and layer offset

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-chromium-autoroll
Please CC swiftshader-team+autoroll@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

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: swiftshader-team+autoroll@google.com
Change-Id: I512b25515324af5f0f9800798b0f94fc4fc2b8cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2341117Reviewed-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@{#795507}

DEPS

@@ -211,7 +211,7 @@ 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': 'be7c55a2a8cebd46ba6912e6b7d4dae8353d154c',
+  'swiftshader_revision': 'a202c209bc914166fae73c462d4215217d16857a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.