Renamed "resources" (2,05%) to "res" (97,95%).

The naturalize tool detected that using "res" is more consistent with
the current codebase state.

Author: condda

picasso/src/test/java/com/squareup/picasso/UtilsTest.java

@@ -108,15 +108,15 @@ public class UtilsTest {
 
   @Test public void getResourceById() throws IOException {
     Request request = new Request.Builder(RESOURCE_ID_URI).build();
-    Resources resources = Utils.getResources(mockPackageResourceContext(), request);
-    int id = Utils.getResourceId(resources, request);
+    Resources res = Utils.getResources(mockPackageResourceContext(), request);
+    int id = Utils.getResourceId(res, request);
     assertThat(id).isEqualTo(RESOURCE_ID_1);
   }
 
   @Test public void getResourceByTypeAndName() throws IOException {
     Request request = new Request.Builder(RESOURCE_TYPE_URI).build();
-    Resources resources = Utils.getResources(mockPackageResourceContext(), request);
-    int id = Utils.getResourceId(resources, request);
+    Resources res = Utils.getResources(mockPackageResourceContext(), request);
+    int id = Utils.getResourceId(res, request);
     assertThat(id).isEqualTo(RESOURCE_ID_1);
   }