Convert entire project to strict lexicographical import sort ordering

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

javatests/google/registry/flows/EppLifecycleHostTest.java

@@ -15,7 +15,6 @@
 package google.registry.flows;
 
 import google.registry.testing.AppEngineRule;
-
 import org.joda.time.DateTime;
 import org.junit.Rule;
 import org.junit.Test;