Refactor the process of choosing validators.

src/trusted/service_runtime/service_runtime.gyp

Index: src/trusted/service_runtime/service_runtime.gyp
diff --git a/src/trusted/service_runtime/service_runtime.gyp b/src/trusted/service_runtime/service_runtime.gyp
index 1306c4b4250c6d21d5c8d798ffbd1544e7a99bde..87418bdcea9d35a3f5abbc86443a0052b1040492 100644
--- a/src/trusted/service_runtime/service_runtime.gyp
+++ b/src/trusted/service_runtime/service_runtime.gyp
@@ -235,6 +235,7 @@
         '<(DEPTH)/native_client/src/trusted/manifest_name_service_proxy/manifest_name_service_proxy.gyp:manifest_proxy',
         '<(DEPTH)/native_client/src/trusted/simple_service/simple_service.gyp:simple_service',
         '<(DEPTH)/native_client/src/trusted/threading/threading.gyp:thread_interface',
+        '<(DEPTH)/native_client/src/trusted/validator/validator.gyp:validators',
       ],
       'conditions': [
         ['target_arch=="arm"', {
@@ -341,6 +342,7 @@
             '<(DEPTH)/native_client/src/trusted/simple_service/simple_service.gyp:simple_service64',
             '<(DEPTH)/native_client/src/trusted/threading/threading.gyp:thread_interface64',
             '<(DEPTH)/native_client/src/trusted/validator/x86/64/validator_x86_64.gyp:ncvalidate_x86_64',
+            '<(DEPTH)/native_client/src/trusted/validator/validator.gyp:validators64',
             'arch/x86/service_runtime_x86.gyp:service_runtime_x86_common64',
             'arch/x86_64/service_runtime_x86_64.gyp:service_runtime_x86_64',
           ],