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/request/HttpException.java

@@ -17,9 +17,7 @@ package google.registry.request;
 import static com.google.common.html.HtmlEscapers.htmlEscaper;
 
 import google.registry.util.FormattingLogger;
-
 import java.io.IOException;
-
 import javax.servlet.http.HttpServletResponse;
 
 /** Base for exceptions that cause an HTTP error response. */