Reimplement TypedArray.getLayoutDimension(int, int) for the layout bridge.

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/BridgeTypedArray.java

@@ -495,6 +495,11 @@ public final class BridgeTypedArray extends TypedArray {
         return getDimensionPixelSize(index, 0);
     }
 
+    @Override
+    public int getLayoutDimension(int index, int defValue) {
+        return getDimensionPixelSize(index, defValue);
+    }
+
     /**
      * Retrieve a fractional unit attribute at <var>index</var>.
      *