Make it safer to add other 'special' values for the new

project-flag, along with '<tld>'.

R=omoikane
DELTA=1  (0 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=1338

fix_includes.py

@@ -1933,7 +1933,7 @@ def main(argv):
     files_to_modify = None
 
   if (flags.separate_project_includes and
-      flags.separate_project_includes != '<tld>' and
+      not flags.separate_project_includes.startswith('<') and  # 'special' vals
       not flags.separate_project_includes.endswith(os.path.sep)):
     flags.separate_project_includes += os.path.sep