Packages: (previous => current) react-native: 0.48.0 => 0.53.0 react: 16.0.2-alpha.12 => 16.2.0 Target Platform: android 8 #### Steps to Reproduce After update the RN version from 0.48.0 to 0.53.0,zIndex lose effectiveness on android.what should I do to fix this difference? ``` <Animated.View key={index} style={[style.card, cardStyle, { zIndex, top, transform: [{scale}] }, currentIndex === index && animatedStyle]}> ... </Animated.View> ``` #### Expected Behavior  #### Actual Behavior 