Roll third_party/externals/angle2 91dc5da80684..17f26865c8cc (11 commits)

https://chromium.googlesource.com/angle/angle.git/+log/91dc5da80684..17f26865c8cc

git log 91dc5da80684..17f26865c8cc --date=short --no-merges --format='%ad %ae %s'
2019-08-23 syoussefi@chromium.org Vulkan: Fix missing deepCopy() from dFdy transform
2019-08-23 syoussefi@chromium.org Vulkan: Fix missing deepCopy()s in FlipBuiltinVariable
2019-08-23 jmadill@chromium.org Revert "Vulkan: Use VK repos' internal BUILD.gn files"
2019-08-22 dakshidnani@google.com Reland "Make Mac SystemInfo reflect the currently active GPU on dual GPU machines"
2019-08-22 clemendeng@google.com Use flat arrays instead of switches for function lookups
2019-08-22 tobine@google.com Vulkan: Use VK repos' internal BUILD.gn files
2019-08-22 lujc@google.com Use SamplerID in place of GLuint handles
2019-08-22 clemendeng@google.com Change gl_DrawID from level = ESSL1+ESSL3 to COMMON
2019-08-22 svaisanen@nvidia.com Remove skipping of groupMemoryBarrierAndBarrierTest on NVIDIA
2019-08-22 jonahr@google.com Revert "Make Mac SystemInfo reflect the currently active GPU on dual GPU machines"
2019-08-22 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src 0cbdc7a2c35b..aef8f92b2bb6 (2 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@17f26865c8cc

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-skia-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=skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC8i5BEK-GPU-IntelIris655-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE
Bug: None
TBR=egdaniel@google.com
Change-Id: Iba12e7b093c47467b7d34f5430fa0bf15365b7de
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236697
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index ab964df..eabe1e3 100644
--- a/DEPS
+++ b/DEPS
@@ -7,7 +7,7 @@
 deps = {
   "buildtools"                            : "https://chromium.googlesource.com/chromium/buildtools.git@505de88083136eefd056e5ee4ca0f01fe9b33de8",
   "common"                                : "https://skia.googlesource.com/common.git@9737551d7a52c3db3262db5856e6bcd62c462b92",
-  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@91dc5da80684fe97b86d7c3b972cf174852a2518",
+  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@17f26865c8cceee3f8e6a7a9926f5945c90b1759",
   "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@472bd1ec29d8d4e03404bf4b4e0233e4fc6031ce",
   "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b1d16bfda56f15165d39e0ffa360a11123",
   "third_party/externals/egl-registry"    : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",