Roll third_party/externals/dawn 02beecaec5cd..f4df7916cacb (4 commits)

https://dawn.googlesource.com/dawn.git/+log/02beecaec5cd..f4df7916cacb

git log 02beecaec5cd..f4df7916cacb --date=short --first-parent --format='%ad %ae %s'
2020-05-13 jiawei.shao@intel.com Add validation on the buffer-to-buffer copies within same buffer
2020-05-12 enga@chromium.org Sort same-type bindings in the BGL by binding number
2020-05-12 cwallez@chromium.org Vulkan: Fix ResourceHeap leak for direct-allocated resources.
2020-05-12 rharrison@chromium.org Rolling 5 dependencies and fix test slow down

Also rolling transitive DEPS:
  https://chromium.googlesource.com/chromium/src/third_party/jinja2 b41863e42637..b41863e42637
  https://chromium.googlesource.com/chromium/src/third_party/markupsafe 8f45f5cfa000..8f45f5cfa000
  https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang b5f003d7a3ec..4fa68edd6819
  https://chromium.googlesource.com/external/github.com/google/shaderc 15a66d72f33a..00ac5d82178c

Created with:
  gclient setdep -r third_party/externals/dawn@f4df7916cacb

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

Bug: None
Tbr: cwallez@google.com
Change-Id: I7a54d7a8174d983fed00f027e2d9d7700f3d860b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289337
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

@@ -10,11 +10,11 @@ deps = {
   "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@9823d86a5a400418277777bad7d78006a4cd2ef1",
   # Dawn requires jinja2 and markupsafe for the code generator, and glslang and shaderc for SPIRV compilation.
   # When the Dawn revision is updated these should be updated from the Dawn DEPS as well.
-  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@02beecaec5cdfa809f1dbea883a60bb040629590",
-  "third_party/externals/glslang"         : "https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang@b5f003d7a3ece37db45578a8a3140b370036fc64",
+  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@f4df7916cacb0f8a87abf99454aafc12c1bdae20",
+  "third_party/externals/glslang"         : "https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang@4fa68edd68197a8c77779942b5d973f89c621752",
   "third_party/externals/jinja2"          : "https://chromium.googlesource.com/chromium/src/third_party/jinja2@b41863e42637544c2941b574c7877d3e1f663e25",
   "third_party/externals/markupsafe"      : "https://chromium.googlesource.com/chromium/src/third_party/markupsafe@8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
-  "third_party/externals/shaderc"         : "https://chromium.googlesource.com/external/github.com/google/shaderc@15a66d72f33a099ec65e0fd37cf14548ed1d2bdb",
+  "third_party/externals/shaderc"         : "https://chromium.googlesource.com/external/github.com/google/shaderc@00ac5d82178cfb5679fe19194d5794fdb01cdd00",
   "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",
   "third_party/externals/expat"           : "https://chromium.googlesource.com/external/github.com/libexpat/libexpat.git@e976867fb57a0cd87e3b0fe05d59e0ed63c6febb",