Fix DXC build

Add new file to GN build that was introduced in
https://github.com/microsoft/DirectXShaderCompiler/commit/8066e0638b967146e7df6ca5a906758ee6fe77e8

Bug: None
Change-Id: I708d5cf2024954de2fb03c9b99ff0ef1ead991b4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/303415
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Peter McNeeley <petermcneeley@google.com>

DEPS

diff --git a/DEPS b/DEPS
index 74f523d..5cff74a 100644
--- a/DEPS
+++ b/DEPS
@@ -383,7 +383,7 @@
     'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@5f8d05f9b760ae2be0242cad8ed719d10058b98c',
   },
   'third_party/directx-shader-compiler/src': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@6dee5ce027b047bf3db2400b29a88dd50b58066e',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@4ad98341b1719b16989644fa297fed47c61af6a6',
   },
 
   # The third_party/dxheaders entry will be removed after we've rolled and

third_party/directx-shader-compiler/BUILD.gn

diff --git a/third_party/directx-shader-compiler/BUILD.gn b/third_party/directx-shader-compiler/BUILD.gn
index 2d339d2..7aaea62 100644
--- a/third_party/directx-shader-compiler/BUILD.gn
+++ b/third_party/directx-shader-compiler/BUILD.gn
@@ -1464,6 +1464,7 @@
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilAddPixelHitInstrumentation.cpp",
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilAnnotateWithVirtualRegister.cpp",
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilDbgValueToDbgDeclare.cpp",
+    "$dawn_dxc_dir/lib/DxilPIXPasses/DxilDebugBreakInstrumentation.cpp",
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilDebugInstrumentation.cpp",
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilForceEarlyZ.cpp",
     "$dawn_dxc_dir/lib/DxilPIXPasses/DxilNonUniformResourceIndexInstrumentation.cpp",

third_party/directx-shader-compiler/src

diff --git a/third_party/directx-shader-compiler/src b/third_party/directx-shader-compiler/src
index 6dee5ce..4ad9834 160000
--- a/third_party/directx-shader-compiler/src
+++ b/third_party/directx-shader-compiler/src
@@ -1 +1 @@
-Subproject commit 6dee5ce027b047bf3db2400b29a88dd50b58066e
+Subproject commit 4ad98341b1719b16989644fa297fed47c61af6a6