Create snapshot/mac and move some files from snapshot and util to there

util/util.gyp

Index: util/util.gyp
diff --git a/util/util.gyp b/util/util.gyp
index c0fb13b36de7641a04458fdc568cdf4120d54c82..f6c5dcff6bfb6937a07be23135c5444157e07b6f 100644
--- a/util/util.gyp
+++ b/util/util.gyp
@@ -38,27 +38,8 @@
         'mac/launchd.mm',
         'mac/mac_util.cc',
         'mac/mac_util.h',
-        'mac/mach_o_image_reader.cc',
-        'mac/mach_o_image_reader.h',
-        'mac/mach_o_image_segment_reader.cc',
-        'mac/mach_o_image_segment_reader.h',
-        'mac/mach_o_image_symbol_table_reader.cc',
-        'mac/mach_o_image_symbol_table_reader.h',
         'mac/service_management.cc',
         'mac/service_management.h',
-        'mac/process_reader.cc',
-        'mac/process_reader.h',
-        'mac/process_types.cc',
-        'mac/process_types.h',
-        'mac/process_types/all.proctype',
-        'mac/process_types/crashreporterclient.proctype',
-        'mac/process_types/custom.cc',
-        'mac/process_types/dyld_images.proctype',
-        'mac/process_types/flavors.h',
-        'mac/process_types/internal.h',
-        'mac/process_types/loader.proctype',
-        'mac/process_types/nlist.proctype',
-        'mac/process_types/traits.h',
         'mach/exc_client_variants.cc',
         'mach/exc_client_variants.h',
         'mach/exc_server_variants.cc',
@@ -216,10 +197,6 @@
         'mac/checked_mach_address_range_test.cc',
         'mac/launchd_test.mm',
         'mac/mac_util_test.mm',
-        'mac/mach_o_image_reader_test.cc',
-        'mac/mach_o_image_segment_reader_test.cc',
-        'mac/process_reader_test.cc',
-        'mac/process_types_test.cc',
         'mac/service_management_test.mm',
         'mach/exc_client_variants_test.cc',
         'mach/exc_server_variants_test.cc',