Remove final modifier from static methods

Change-Id: I93dd84874f46114011840ef840315a0d27c221ac

@@ -122,7 +122,7 @@ public abstract class Intent implements BatchOperationTarget {
      * Note: A generator cannot be bound if there is already a generator bound.
      * @param newIdGenerator id generator
      */
-    public static final void bindIdGenerator(IdGenerator newIdGenerator) {
+    public static void bindIdGenerator(IdGenerator newIdGenerator) {
         checkState(idGenerator == null, "Id generator is already bound.");
         idGenerator = checkNotNull(newIdGenerator);
     }
@@ -133,7 +133,7 @@ public abstract class Intent implements BatchOperationTarget {
      * Note: The caller must provide the old id generator to succeed.
      * @param oldIdGenerator the current id generator
      */
-    public static final void unbindIdGenerator(IdGenerator oldIdGenerator) {
+    public static void unbindIdGenerator(IdGenerator oldIdGenerator) {
         if (Objects.equals(idGenerator, oldIdGenerator)) {
             idGenerator = null;
         }

@@ -30,7 +30,7 @@ public final class MetricsUtil {
      * @param timer timer to start
      * @return timing context, if timer was not null
      */
-    public static final Context startTimer(Timer timer) {
+    public static Context startTimer(Timer timer) {
         if (timer != null) {
             return timer.time();
         }
@@ -45,7 +45,7 @@ public final class MetricsUtil {
      *
      * @param context timing context to stop, if not null.
      */
-    public static final void stopTimer(Context context) {
+    public static void stopTimer(Context context) {
         if (context != null) {
             context.stop();
         }