Recognize crashreporter_annotations_t version 5 found on OS X 10.11

snapshot/snapshot_test.gyp

Index: snapshot/snapshot_test.gyp
diff --git a/snapshot/snapshot_test.gyp b/snapshot/snapshot_test.gyp
index 538e7c609a001a1d7531fcdf932d3e3fb8034cb3..9b94a1066ca9988d78face8f678dd80fd7d6ffbe 100644
--- a/snapshot/snapshot_test.gyp
+++ b/snapshot/snapshot_test.gyp
@@ -81,6 +81,7 @@
       'conditions': [
         ['OS=="mac"', {
           'dependencies': [
+            'crashpad_snapshot_test_module_crashy_initializer',
             'crashpad_snapshot_test_no_op',
           ],
           'link_settings': {
@@ -110,6 +111,13 @@
     ['OS=="mac"', {
       'targets': [
         {
+          'target_name': 'crashpad_snapshot_test_module_crashy_initializer',
+          'type': 'loadable_module',
+          'sources': [
+            'mac/mach_o_image_annotations_reader_test_module_crashy_initializer.cc',
+          ],
+        },
+        {
           'target_name': 'crashpad_snapshot_test_no_op',
           'type': 'executable',
           'sources': [