Convert entire project to strict lexicographical import sort ordering

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127234970

java/google/registry/util/CacheUtils.java

@@ -19,9 +19,7 @@ import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static org.joda.time.Duration.ZERO;
 
 import com.google.common.base.Supplier;
-
 import google.registry.config.RegistryEnvironment;
-
 import org.joda.time.Duration;
 
 /** Utility methods related to caching. */