Roll shaderc and spirv-cross

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/caa519ca532a..f4025c1cd5c2

$ git log caa519ca5..f4025c1cd --date=short --no-merges --format='%ad %ae %s'
2020-07-01 xinghua.cao Add interface for enabling 16-bit types (#1091)
2020-06-23 rharrison Roll 5 dependencies and update tests/expectations (#1087)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross/+log/d385bf096f5d..d573a95a9c65

$ git log d385bf096..d573a95a9 --date=short --no-merges --format='%ad %ae %s'
2020-07-01 post Run format_all.sh.
2020-07-01 post test: Use --hlsl-dx9-compatible when attempting to compile SM 3.0 shaders.
2020-06-30 post GLSL: Fix nested legacy switch workarounds.
2020-06-29 post GLSL: Implement switch on ESSL 1.0.
2020-06-29 post GLSL: Use for-loop fallback instead of do/while for legacy ESSL.
2020-06-29 post Implement context-sensitive expression read tracking.
2020-06-29 post Fix bug with control dependent expression tracking.
2020-06-23 post HLSL: Workaround FXC bugs with degenerate switch blocks.
2020-06-22 dsinclair Roll deps and update tests.
2020-06-22 post MSL: Remove the old VertexAttr API.
2020-06-19 cwallez Fix placement of SPIRV_CROSS_DEPRECATED.
2020-06-19 post Fix duplicated initialization for loop variables with initializers.
2020-06-18 post MSL: Add test case for constructing struct with non-value-type array.
2020-06-18 post MSL: Deal with loading non-value-type arrays.
2020-06-18 post MSL: Add tests for array copies in and out of buffers.
2020-06-18 post MSL: Improve handling of array types in buffer objects.
2020-06-18 post Clean up some deprecation warnings when building with Makefile.
2020-06-18 post Remove unused member in MSLShaderInput.
2020-06-13 cdavis MSL: Fix up input variables' vector lengths in all stages.
2020-06-16 post HLSL: Fix texProj in legacy HLSL.
2020-06-12 git GLSL: Require GL_ARB_draw_instanced for gl_InstanceID in GLSL < 1.40
2020-06-08 post GLSL: Handle the rest of GL_ARB_sparse_texture_clamp.
2020-06-08 post GLSL: Support uint code for sparse residency query.
2020-06-05 post Refactor texture fetch function generation.
2020-06-06 AlexanderMeissner Fix missing switch cases in Y'CbCr conversion
2020-06-04 post GLSL: Implement sparse feedback.
2020-06-04 post MSL: Remove obsolete MSLVertexAttr members.
2020-06-04 post HLSL: Add native support for 16-bit types.

Change-Id: Id4bddf148663b7d53c1f78fec04a0b5abba37164
Bug:
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300438
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
diff --git a/DEPS b/DEPS
index 6fd365d..2b7d77a 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@
   "third_party/externals/glslang"         : "https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang@839704450200e407490c538418f4d1a493b789ab",
   "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@caa519ca532a6a3a0279509fce2ceb791c4f4651",
+  "third_party/externals/shaderc"         : "https://chromium.googlesource.com/external/github.com/google/shaderc@f4025c1cd5c2146595d2c04d85de1f1b296431e7",
   "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",
@@ -34,7 +34,7 @@
   "third_party/externals/piex"            : "https://android.googlesource.com/platform/external/piex.git@bb217acdca1cc0c16b704669dd6f91a1b509c406",
   "third_party/externals/sdl"             : "https://skia.googlesource.com/third_party/sdl@5d7cfcca344034aff9327f77fc181ae3754e7a90",
   "third_party/externals/sfntly"          : "https://chromium.googlesource.com/external/github.com/googlei18n/sfntly.git@b55ff303ea2f9e26702b514cf6a3196a2e3e2974",
-  "third_party/externals/spirv-cross"     : "https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross@d385bf096f5dabbc4cdaeb6872b0f64be1a63ad0",
+  "third_party/externals/spirv-cross"     : "https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross@d573a95a9c65cf0ab76c0c206e3b01fa47235836",
   "third_party/externals/spirv-headers"   : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers.git@c0df742ec0b8178ad58c68cff3437ad4b6a06e26",
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@e95fbfb1f509ad7a7fdfb72ac35fe412d72fc4a4",
   "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@3121585acce20f5cc2074088563e3c1a076b8e48",