ReviewChangesFragment: Fix setting color scheme on swipeRefreshLayout

The color ID must be resolved to a resource ID.

Change-Id: I14b99c71ebdf2aaf59bad7989b96ede8fafdacca
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/app/src/main/java/com/google/reviewit/ReviewChangesFragment.java b/app/src/main/java/com/google/reviewit/ReviewChangesFragment.java
index b32ed4f..6c316ba 100644
--- a/app/src/main/java/com/google/reviewit/ReviewChangesFragment.java
+++ b/app/src/main/java/com/google/reviewit/ReviewChangesFragment.java
@@ -79,7 +79,8 @@
   private void init() {
     SwipeRefreshLayout swipeRefreshLayout =
         (SwipeRefreshLayout) v(R.id.swipeRefreshLayout);
-    swipeRefreshLayout.setColorSchemeColors(R.color.progressBar);
+    swipeRefreshLayout.setColorSchemeColors(
+        widgetUtil.color(R.color.progressBar));
     swipeRefreshLayout.setRefreshing(true);
     swipeRefreshLayout.setOnRefreshListener(
         new SwipeRefreshLayout.OnRefreshListener() {