Fix Java Checkstyle issues.

sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java

Index: sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java
diff --git a/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java b/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java
index 67deaf6fafb743d5a22a435cb448501b7e090f28..2d3e760c3c53f4a57db615d80487644758bd25e7 100644
--- a/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java
+++ b/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationPreferencesTest.java
@@ -43,7 +43,7 @@ public class InvalidationPreferencesTest extends InstrumentationTestCase {
          * the two valid strings are properly converted and that the invalid string is dropped.
          */
         HashSet<ModelType> expectedTypes = CollectionUtil.newHashSet(
-                ModelType.BOOKMARK,ModelType.SESSION);
+                ModelType.BOOKMARK, ModelType.SESSION);
         Set<ModelType> actualTypes = ModelType.syncTypesToModelTypes(
                 CollectionUtil.newHashSet("BOOKMARK", "SESSION", "0!!!INVALID"));
         assertEquals(expectedTypes, actualTypes);