add lots of java APIs needed for Whatsapp

src/api-impl/android/graphics/drawable/Drawable.java

@@ -211,7 +211,9 @@ public class Drawable {
 			drawable.inflate(resources, parser, attrs, null);
 			return drawable;
 		} else if ("layer-list".equals(parser.getName())) {
-			return new LayerDrawable();
+			LayerDrawable drawable = new LayerDrawable();
+			drawable.inflate(resources, parser, attrs);
+			return drawable;
 		}
 		return null;
 	}

src/api-impl/android/graphics/drawable/InsetDrawable.java

@@ -8,6 +8,10 @@ public class InsetDrawable extends Drawable {
 		super();
 	}
 
+	public InsetDrawable(Drawable drawable, int inset) {
+		super();
+	}
+
 	public boolean getPadding(Rect padding) { return false; }
 	
 }

src/api-impl/android/graphics/drawable/LayerDrawable.java

@@ -162,7 +162,8 @@ public class LayerDrawable extends Drawable implements Drawable.Callback {
 				dr = Drawable.createFromXmlInner(r, parser, attrs);
 			}
 
-			addLayer(dr, id, left, top, right, bottom);
+			if (dr != null)
+				addLayer(dr, id, left, top, right, bottom);
 		}
 
 		ensurePadding();

src/api-impl/android/graphics/drawable/shapes/RoundRectShape.java

@@ -0,0 +1,8 @@
+package android.graphics.drawable.shapes;
+
+import android.graphics.RectF;
+
+public class RoundRectShape extends Shape {
+
+	public RoundRectShape(float[] outerR, RectF innerR, float[] cornR) {}
+}