Make static fields in GpgKeys and PreviewSubmit final

Change-Id: Ifaf144224aeeb4339db4e445ab5bf458f89bb151
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/gerrit-gpg/src/main/java/com/google/gerrit/gpg/server/GpgKeys.java b/gerrit-gpg/src/main/java/com/google/gerrit/gpg/server/GpgKeys.java
index 9ade145..864709c 100644
--- a/gerrit-gpg/src/main/java/com/google/gerrit/gpg/server/GpgKeys.java
+++ b/gerrit-gpg/src/main/java/com/google/gerrit/gpg/server/GpgKeys.java
@@ -63,7 +63,7 @@
 public class GpgKeys implements ChildCollection<AccountResource, GpgKey> {
   private static final Logger log = LoggerFactory.getLogger(GpgKeys.class);
 
-  public static String MIME_TYPE = "application/pgp-keys";
+  public static final String MIME_TYPE = "application/pgp-keys";
 
   private final DynamicMap<RestView<GpgKey>> views;
   private final Provider<ReviewDb> db;
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/PreviewSubmit.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/PreviewSubmit.java
index 90c2daf..f4356db 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/PreviewSubmit.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/PreviewSubmit.java
@@ -51,7 +51,7 @@
 
 @Singleton
 public class PreviewSubmit implements RestReadView<RevisionResource> {
-  private static int MAX_DEFAULT_BUNDLE_SIZE = 100 * 1024 * 1024;
+  private static final int MAX_DEFAULT_BUNDLE_SIZE = 100 * 1024 * 1024;
 
   private final Provider<ReviewDb> dbProvider;
   private final Provider<MergeOp> mergeOpProvider;