Add MOE equivalence[s] for 2018-12-13 sync

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=225418342

java/google/registry/config/BUILD

@@ -9,6 +9,7 @@ java_library(
     srcs = glob(["*.java"]),
     resources = glob(["files/*.yaml"]),
     deps = [
+        "//java/com/google/api/client/extensions/appengine/auth/oauth2",
         "//java/google/registry/keyring/api",
         "//java/google/registry/util",
         "@com_google_api_client",

java/google/registry/tools/BUILD

@@ -35,6 +35,7 @@ java_library(
         "//java/google/registry/module/tools",
     ],
     deps = [
+        "//java/com/google/api/client/extensions/appengine/auth/oauth2",
         "//java/google/registry/backup",
         "//java/google/registry/beam/invoicing",
         "//java/google/registry/beam/spec11",