DefaultUsageService: make test easier to grok

This accommodates a really nitty picky nitpick from Johannes Schindelin.

Author: ctrueden

src/main/java/org/scijava/usage/DefaultUsageService.java

@@ -72,7 +72,7 @@ public void clearStats() {
 
 	@Override
 	public UsageStats getUsage(final Object o) {
-		if (!(o instanceof Identifiable) || !(o instanceof Locatable)) {
+		if (!(o instanceof Identifiable && o instanceof Locatable)) {
 			// only track objects with an identifier and a location
 			return null;
 		}