Roll third_party/externals/angle2 f3b4e6c..fcef6dc (15 commits)

https://chromium.googlesource.com/angle/angle.git/+log/f3b4e6c3030f..fcef6dcb6ab2

git log f3b4e6c..fcef6dc --date=short --first-parent --format='%ad %ae %s'
2020-01-25 flibitijibibo@gmail.com For GGP builds, define __ggp__ manually.
2020-01-25 jmadill@chromium.org Vulkan: Update active textures before setupDraw().
2020-01-25 j.vigil@samsung.com Implement EGL_IMG_context_priority
2020-01-25 cnorthrop@google.com Tests: Add a perf test using traces
2020-01-24 jmadill@chromium.org Vulkan: Command graph linearization (Step 1).
2020-01-24 tdusnoki@inf.u-szeged.hu Disable ANGLE GL and Vulkan on Windows on ARM
2020-01-24 jgilbert@mozilla.com Validate `context` before use in ValidateStreamConsumerGLTextureExternalAttribsNV.
2020-01-24 artyom@fb.com GL_OVR_multiview shouldn't be defined for WebGL spec'ed shaders
2020-01-24 jdarpinian@chromium.org Clamp array accesses when robust buffer access not available
2020-01-24 jmadill@chromium.org Fix undefined behaviour in ClearTest.
2020-01-24 jmadill@chromium.org Add feature flags to EGLPlatformParameters "tie".
2020-01-24 syoussefi@chromium.org Vulkan: Remove inactive shader inputs in the translator
2020-01-24 syoussefi@chromium.org Fix image linking not verifying same format
2020-01-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-tools/src aaba1e4e6aec..93ab50fc27de (2 commits)
2020-01-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader c514ab001bb0..5ef91b82cbed (4 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@fcef6dcb6ab2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-skia-autoroll
Please CC reed@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/+/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia/skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC8i5BEK-GPU-IntelIris655-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE
Bug: None
Tbr: reed@google.com
Change-Id: Iaaf5b9a52f5e9ae8a4b8a8f98e7367dcc46efac1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/266768
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>

Author: skia-autoroll

DEPS

@@ -7,7 +7,7 @@ vars = {
 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@f3b4e6c3030f826d446fa8cb833fd7d49d21a37c",
+  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@fcef6dcb6ab246bc5a3519cf3e8ca281315a6e63",
   "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@3c086a0c2e1dc3e2e14aaa3d78c052c7e07274b4",
   "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",