Add string support for valueFrom/valueTo

             greater than 0 or infinite. The default value is restart. -->

        <attr name="repeatMode"/>

        <!-- Value the animation starts from. -->

        <attr name="valueFrom" format="float|integer|color|dimension"/>

        <attr name="valueFrom" format="float|integer|color|dimension|string"/>

        <!-- Value the animation animates to. -->

        <attr name="valueTo" format="float|integer|color|dimension"/>

        <attr name="valueTo" format="float|integer|color|dimension|string"/>

        <!-- The type of valueFrom and valueTo. -->

        <attr name="valueType">

            <!-- valueFrom and valueTo are floats. This is the default value is valueType is

    <objectAnimator

        android:duration="3000"

        android:propertyName="pathData"

        android:valueFrom="@string/triangle"

        android:valueTo="@string/rectangle"

        android:valueFrom="M300,70 l 0,-70 70,70 0,0   -70,70z"

        android:valueTo=  "M300,70 l 0,-70 70,0  0,140 -70,0 z"

        android:valueType="pathType"/>

    <objectAnimator