Update shaderc lib and use single combined lib

gyp/gpu.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # GYP for building gpu
 {
   'target_defaults': {
     'conditions': [
       ['skia_os != "win"', {
         'sources/': [ ['exclude', '_win.(h|cpp)$'],
@@ skipping 232 matching lines @@
               '../third_party/' # To include files under third_party/vulkan
             ],
           },
           'conditions' : [
             ['skia_os == "win"', {
               'all_dependent_settings': {
                 'msvs_settings': {
                   'VCLinkerTool': {
                     'AdditionalDependencies': [
                       'vulkan-1.lib',
-                      'shaderc.lib',
-                      'shaderc_util.lib',
-                      'glslang.lib',
-                      'OSDependent.lib',
-                      'OGLCompiler.lib',
-                      'SPIRV-Tools.lib',
-                      'SPIRV.lib',
+                      'shaderc_combined.lib'
                     ],
                   },
                 },
               },
               'link_settings': {
                 'configurations': {
                   'Debug': {
                     'msvs_settings': {
                       'VCLinkerTool': {
                       'AdditionalLibraryDirectories': [
@@ skipping 39 matching lines @@
           ],
         }, {
           'sources!': [
             '<@(skgpu_vk_sources)',
           ],
         }],
       ],
     },
   ],
 }