RN: Move ART Canvas Workaround

Summary: Moves the `ReactNativeART` workaround to callers. There are legitimate use cases where you don't want to re-mount this component repeatedly.

Reviewed By: fkgozali

Differential Revision: D8928633

fbshipit-source-id: 0aafc1136ce9acb290e26a4f1a958819439bf2f0

Libraries/ART/ReactNativeART.js

@@ -11,7 +11,6 @@
 
 const Color = require('art/core/color');
 const Path = require('ARTSerializablePath');
-const Platform = require('Platform');
 const Transform = require('art/core/transform');
 
 const React = require('React');
@@ -154,11 +153,8 @@ class Surface extends React.Component {
     const height = extractNumber(this.props.height, 0);
     const width = extractNumber(this.props.width, 0);
 
-    // WORKAROUND: Android bug in which canvas does not reflect size changes.
-    const key = Platform.OS === 'android' ? height + ',' + width : null;
-
     return (
-      <NativeSurfaceView key={key} style={[this.props.style, {height, width}]}>
+      <NativeSurfaceView style={[this.props.style, {height, width}]}>
         {this.props.children}
       </NativeSurfaceView>
     );