[NaCl SDK] Don't include gtest/gmock in library form

native_client_sdk/src/tests/sdk_util_test/example.dsc

Index: native_client_sdk/src/tests/sdk_util_test/example.dsc
diff --git a/native_client_sdk/src/tests/sdk_util_test/example.dsc b/native_client_sdk/src/tests/sdk_util_test/example.dsc
index 334d1da9a8be0e514f0e293b3ae64fc6d98e7d9f..46cf7d1e0ddd6688206948d63d38ccdd15b69ae5 100644
--- a/native_client_sdk/src/tests/sdk_util_test/example.dsc
+++ b/native_client_sdk/src/tests/sdk_util_test/example.dsc
@@ -11,7 +11,17 @@
         'string_util_test.cc',
       ],
       'DEPS': ['ppapi_simple_cpp', 'sdk_util', 'nacl_io'],
-      'LIBS': ['ppapi_simple_cpp', 'ppapi_cpp', 'gmock', 'nacl_io', 'ppapi', 'gtest', 'pthread'],
+      'LIBS': ['ppapi_simple_cpp', 'ppapi_cpp', 'nacl_io', 'ppapi', 'pthread'],
+      'INCLUDES': [
+        '../../src/gtest/include',
+        '../../src/gtest',
+        '../../src/gmock/include',
+        '../../src/gmock'
+      ],
+      'EXTRA_SOURCES' : [
+        '../../src/gtest/src/gtest-all.cc',
+        '../../src/gmock/src/gmock-all.cc'
+      ],
       'CXXFLAGS': ['-Wno-sign-compare']
     }
   ],