Fix lint issue.

Author: nbayati

cab-token-generator/javatests/com/google/auth/credentialaccessboundary/ClientSideCredentialAccessBoundaryFactoryTest.java

@@ -136,7 +136,8 @@ public void fetchIntermediateCredentials() throws Exception {
   public void fetchIntermediateCredentials_withCustomUniverseDomain() throws IOException {
     String universeDomain = "foobar";
     GoogleCredentials sourceCredentials =
-        getServiceAccountSourceCredentials(mockTokenServerTransportFactory).toBuilder()
+        getServiceAccountSourceCredentials(mockTokenServerTransportFactory)
+            .toBuilder()
             .setUniverseDomain(universeDomain)
             .build();