Add GYP target for sk_tool_utils.* component.

gyp/bench.gyp

 # GYP file to build performance testbench.
 #
 {
   'includes': [
     'apptype_console.gypi',
   ],
   'targets': [
     {
       'target_name': 'bench',
       'type': 'executable',
       'dependencies': [
         'bench_timer',
         'crash_handler.gyp:CrashHandler',
         'etc1.gyp:libetc1',
         'flags.gyp:flags',
         'jsoncpp.gyp:jsoncpp',
         'resources.gyp:resources',
+        'sk_tool_utils.gyp:sk_tool_utils',
         'skia_lib.gyp:skia_lib',
       ],
       'sources': [
         '../bench/BenchLogger.cpp',
         '../bench/BenchLogger.h',
         '../bench/GMBench.cpp',
         '../bench/GMBench.h',
         '../bench/ResultsWriter.cpp',
         '../bench/benchmain.cpp',
-        '../tools/sk_tool_utils.cpp',
       ],
       'conditions': [
         ['skia_gpu == 1',
           {
             'include_dirs' : [
               '../src/gpu',
             ],
             'dependencies': [
               'gputest.gyp:skgputest',
             ],
@@ skipping 21 matching lines @@
         '../bench/BenchSysTimer_mach.h',
         '../bench/BenchSysTimer_mach.cpp',
         '../bench/BenchSysTimer_posix.h',
         '../bench/BenchSysTimer_posix.cpp',
         '../bench/BenchSysTimer_windows.h',
         '../bench/BenchSysTimer_windows.cpp',
       ],
       'include_dirs': [
         '../src/core',
         '../src/gpu',
-        '../tools',
       ],
       'direct_dependent_settings': {
         'include_dirs': ['../bench'],
       },
       'dependencies': [
         'skia_lib.gyp:skia_lib',
       ],
       'conditions': [
         [ 'skia_os not in ["mac", "ios"]', {
           'sources!': [
@@ skipping 23 matching lines @@
         ['skia_gpu == 1', {
           'sources': [
             '../bench/BenchGpuTimer_gl.h',
             '../bench/BenchGpuTimer_gl.cpp',
           ],
         }],
       ],
     }
   ],
 }