Try to fix Windows build

gyp/tools.gyp

 # GYP file to build various tools.
 #
 # To build on Linux:
 #  ./gyp_skia tools.gyp && make tools
 #
 # Building on other platforms not tested yet.
 #
 {
   'includes': [
     'apptype_console.gypi',
@@ skipping 167 matching lines @@
       ],
       'dependencies': [
         'core.gyp:core',
         'effects.gyp:effects',
         'images.gyp:images',
         'pdf.gyp:pdf',
         'ports.gyp:ports',
         'tools.gyp:picture_utils',
       ],
       'conditions': [
-        ['skia_os == "disable" and skia_win_debuggers_path and skia_os == "win"',
+        ['skia_win_debuggers_path and skia_os == "win"',
           {
             'dependencies': [
               'tools.gyp:win_dbghelp',
             ],
           },
         ],
         # VS static libraries don't have a linker option. We must set a global
         # project linker option, or add it to each executable.
         ['skia_win_debuggers_path and skia_os == "win" and '
-         'skia_arch_width == 64 and skia_os == "disable"',
+         'skia_arch_width == 64',
           {
             'msvs_settings': {
               'VCLinkerTool': {
                 'AdditionalDependencies': [
                   '<(skia_win_debuggers_path)/x64/DbgHelp.lib',
                 ],
               },
             },
           },
         ],
         ['skia_win_debuggers_path and skia_os == "win" and '
-         'skia_arch_width == 32 and skia_os == "disable"',
+         'skia_arch_width == 32',
           {
             'msvs_settings': {
               'VCLinkerTool': {
                 'AdditionalDependencies': [
                   '<(skia_win_debuggers_path)/DbgHelp.lib',
                 ],
               },
             },
           },
         ],
@@ skipping 42 matching lines @@
       ],
       'dependencies': [
         'skia_base_libs.gyp:skia_base_libs',
         'effects.gyp:effects',
         'images.gyp:images',
         'tools.gyp:picture_utils',
       ],
     },
   ],
   'conditions': [
-    ['skia_os == "disable" and skia_win_debuggers_path and skia_os == "win"',
+    ['skia_win_debuggers_path and skia_os == "win"',
       {
         'targets': [
           {
             'target_name': 'win_dbghelp',
             'type': 'static_library',
             'defines': [
               'SK_CDB_PATH="<(skia_win_debuggers_path)"',
             ],
             'sources': [
               '../tools/win_dbghelp.h',
               '../tools/win_dbghelp.cpp',
             ],
           },
         ],
       },
     ],
   ],
 }
 
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