Merge change I6dc8a694 into eclair

* changes:
  Layoutlib: Add a constant for default density value.

tools/layoutlib/api/src/com/android/layoutlib/api/IDensityBasedResourceValue.java

@@ -20,12 +20,15 @@ package com.android.layoutlib.api;
  * Represents an Android Resources that has a density info attached to it.
  */
 public interface IDensityBasedResourceValue extends IResourceValue {
+
     public static enum Density {
         HIGH(240),
         MEDIUM(160),
         LOW(120),
         NODPI(0);
 
+        public final static int DEFAULT_DENSITY = 160;
+
         private final int mValue;
 
         Density(int value) {