Reformat all Java files with google-java-format 1.6

Reformat all files with the exception of:

- lib/asciidoctor/java/AsciiDoctor.java

to avoid requiring the Library-Compliance label.

Change-Id: Iedba3f24ac00e2186e3e0688fabea817ddf43739

gerrit-pgm/src/main/java/com/google/gerrit/pgm/util/SiteProgram.java

@@ -64,10 +64,9 @@ import org.kohsuke.args4j.Option;
 
 public abstract class SiteProgram extends AbstractProgram {
   @Option(
-    name = "--site-path",
-    aliases = {"-d"},
-    usage = "Local directory containing site data"
-  )
+      name = "--site-path",
+      aliases = {"-d"},
+      usage = "Local directory containing site data")
   private void setSitePath(String path) {
     sitePath = Paths.get(path);
   }