Roll src/third_party/swiftshader 6779e5e01b13..e2cb4e0573e3 (14 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/6779e5e01b13..e2cb4e0573e3


git log 6779e5e01b13..e2cb4e0573e3 --date=short --no-merges --format='%ad %ae %s'
2019-05-23 samans@chromium.org Fix build file
2019-05-23 sugoi@google.com Fix sRGB -> sRGB multisample resolves
2019-05-23 bclayton@google.com VkQueryPool: Add missing lock on the Query.
2019-05-23 bclayton@google.com Vulkan: Always call the object's destructor before deallocation.
2019-05-23 bclayton@google.com Reimplement sw::Resource with modern C++ primitives
2019-05-23 bclayton@google.com System: Replace concurrent types with std versions where possible
2019-05-23 bclayton@google.com SpirvShader: Restore the current block ID after emitting loop blocks
2019-05-23 bclayton@google.com System/Synchronization.hpp: Remove unlock() call before notify_one()
2019-05-23 bclayton@google.com System/Synchronization.hpp: Add file documentation and warning.
2019-05-23 bclayton@google.com VkQueue: Embed the sw::Renderer into the vk::Queue.
2019-05-23 bclayton@google.com VkQueue: Destruct the object.
2019-05-23 bclayton@google.com VkQueue: Use a sw::WaitGroup for waitIdle()
2019-05-23 bclayton@google.com Pass around sw::TaskEvents* instead of vk::Fence*.
2019-05-23 bclayton@google.com System/Synchronization.hpp: Add the sw::TaskEvents interface


Created with:
  gclient setdep -r src/third_party/swiftshader@e2cb4e0573e3

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/133127573,chromium:b/133127573,chromium:b/133127573,chromium:b/133212545,chromium:b/133135427,chromium:b/133135427,chromium:b/133127573,chromium:b/133127573,chromium:b/133127573,chromium:b/133127573,chromium:b/133127573
TBR=swiftshader-team+autoroll@google.com

Change-Id: I2b0a4ba4f28d1ac711ae8c3135cd2656535fae78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1627852
Reviewed-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@{#662791}

DEPS

@@ -154,7 +154,7 @@ 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': '6779e5e01b132a9cde3d1ccd127b5d9a56dde3c1',
+  'swiftshader_revision': 'e2cb4e0573e39651c863c93a002c6c97ef4f128a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.