add some stubs needed because of previous commits

Since we now call draw() on View subclasses, we reach some new
codepaths which need new stubs

src/api-impl/android/animation/ObjectAnimator.java

@@ -33,4 +33,6 @@ public class ObjectAnimator extends ValueAnimator {
 
 	public void setAutoCancel(boolean autoCancel) {}
 
+	public void setPropertyName(String propertyName) {}
+
 }

src/api-impl/android/animation/PropertyValuesHolder.java

@@ -0,0 +1,7 @@
+package android.animation;
+
+public class PropertyValuesHolder{
+	public static PropertyValuesHolder ofFloat(String propertyName, float... values) {
+		return null;
+	}
+}

src/api-impl/android/animation/ValueAnimator.java

@@ -1,7 +1,5 @@
 package android.animation;
 
-final class PropertyValuesHolder{}
-
 public class ValueAnimator extends Animator {
 
 	public static ValueAnimator ofFloat(float... values) {
@@ -43,6 +41,7 @@ public class ValueAnimator extends Animator {
 	public void setRepeatMode(int value) {}
 	public void cancel() {}
 	public void setEvaluator(TypeEvaluator evaluator) {}
+	public void setStartDelay(long startDelay) {}
 
 	/**
 	 * Implementors of this interface can add themselves as update listeners