Always remeasure ListView scrap used to obtain minimum width

Also turns off ViewPager debug, enabled the scroll indicator on the
DatePicker's year list, and updates the year label's TextView ID to
something more reasonable. Some code cleanup inside ListView.

Bug: 20110431
Change-Id: If1dba955094524d69cc297d7a567a182cef7f11d
diff --git a/core/java/com/android/internal/widget/ViewPager.java b/core/java/com/android/internal/widget/ViewPager.java
index e76302b..a2c4f6a 100644
--- a/core/java/com/android/internal/widget/ViewPager.java
+++ b/core/java/com/android/internal/widget/ViewPager.java
@@ -85,7 +85,7 @@
  */
 public class ViewPager extends ViewGroup {
     private static final String TAG = "ViewPager";
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
 
     private static final int MAX_SCROLL_X = 2 << 23;
     private static final boolean USE_CACHE = false;