Enable Animated in Venice

Summary:
This diff extends venice app to render an Animation example test

changelog: [Internal][Android] Internal change to enable Animated in RN Bridgless mode

Reviewed By: PeteTheHeat

Differential Revision: D21317630

fbshipit-source-id: 9726fea9baba86191e63df909639d1d47ef5f359

Libraries/Animated/src/Animated.js

@@ -19,7 +19,8 @@ const AnimatedMock = require('./AnimatedMock');
 const AnimatedImplementation = require('./AnimatedImplementation');
 
 //TODO(T57411659): Remove the bridgeless check when Animated perf regressions are fixed.
-const Animated = ((Platform.isTesting || global.RN$Bridgeless
+const Animated = ((Platform.isTesting ||
+(global.RN$Bridgeless && Platform.OS === 'ios')
   ? AnimatedMock
   : AnimatedImplementation): typeof AnimatedMock);