[Video] Method location rearrangement

Video.js

@@ -31,10 +31,6 @@ class Video extends Component {
     this._onEnd = this._onEnd.bind(this);
   }
 
-  seek(time) {
-    this.setState({ seekTime: time });
-  }
-
   render() {
     const { seekTime } = this.state;
     const {
@@ -82,6 +78,10 @@ class Video extends Component {
     return <RCTVideo ref={ref} {...nativeProps} />;
   }
 
+  seek(time) {
+    this.setState({ seekTime: time });
+  }
+
   _onLoadStart(event) {
     this.props.onLoadStart && this.props.onLoadStart(event.nativeEvent);
   }