[NaCl SDK] Create a resources/ directory and move files to it.

native_client_sdk/src/libraries/xray/library.dsc

 {
   'TOOLS': ['newlib', 'glibc', 'pnacl'],
-  'SEARCH': [
-    '.'
-  ],
   'TARGETS': [
     {
       'NAME' : 'xray',
       'TYPE' : 'lib',
       'SOURCES' : [
         'demangle.c',
         'hashtable.c',
         'parsesymbols.c',
         'report.c',
         'browser.c',
@@ skipping 12 matching lines @@
         'xray.h',
         'xray_priv.h'
       ],
       'DEST': 'include/xray',
     }
   ],
   'DEST': 'src',
   'NAME': 'xray',
   'EXPERIMENTAL': True,
 }