Upgrade Prettier from 1.17 to 2.0.2.

Summary:
This gets us on the latest Prettier 2.x:
https://prettier.io/blog/2020/03/21/2.0.0.html

Notably, this adds support for TypeScript 3.8,
which introduces new syntax, such as `import type`.

Reviewed By: zertosh

Differential Revision: D20636268

fbshipit-source-id: fca5833d003804333a05ba16325bbbe0e06d6c8a

RNTester/js/examples/TextInput/TextInputExample.android.js

@@ -87,7 +87,7 @@ class AutogrowingTextInputExample extends React.Component<{...}> {
           step={10}
           /* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
            * found when making Flow check .android.js files. */
-          onValueChange={value => this.setState({width: value})}
+          onValueChange={(value) => this.setState({width: value})}
         />
         <Text>Multiline:</Text>
         <Switch
@@ -96,7 +96,7 @@ class AutogrowingTextInputExample extends React.Component<{...}> {
           value={this.state.multiline}
           /* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
            * found when making Flow check .android.js files. */
-          onValueChange={value => this.setState({multiline: value})}
+          onValueChange={(value) => this.setState({multiline: value})}
         />
         <Text>TextInput:</Text>
         <TextInput
@@ -108,8 +108,8 @@ class AutogrowingTextInputExample extends React.Component<{...}> {
           style={[style, {width: this.state.width + '%'}]}
           /* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
            * found when making Flow check .android.js files. */
-          onChangeText={value => this.setState({text: value})}
-          onContentSizeChange={event =>
+          onChangeText={(value) => this.setState({text: value})}
+          onContentSizeChange={(event) =>
             /* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
              * found when making Flow check .android.js files. */
             this.setState({contentSize: event.nativeEvent.contentSize})
@@ -149,7 +149,7 @@ exports.examples = ([
   ...TextInputSharedExamples,
   {
     title: 'Colors and text inputs',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -199,7 +199,7 @@ exports.examples = ([
   },
   {
     title: 'Text input, themes and heights',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <TextInput
           placeholder="If you set height, beware of padding set from themes"
@@ -210,7 +210,7 @@ exports.examples = ([
   },
   {
     title: 'letterSpacing',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -235,7 +235,7 @@ exports.examples = ([
   },
   {
     title: 'Passwords',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -255,7 +255,7 @@ exports.examples = ([
   },
   {
     title: 'Editable',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <TextInput
           defaultValue="Can't touch this! (>'-')> ^(' - ')^ <('-'<) (>'-')> ^(' - ')^"
@@ -267,7 +267,7 @@ exports.examples = ([
   },
   {
     title: 'Multiline',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -309,7 +309,7 @@ exports.examples = ([
   {
     title: 'Fixed number of lines',
     platform: 'android',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -328,7 +328,7 @@ exports.examples = ([
   },
   {
     title: 'Auto-expanding',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <AutogrowingTextInputExample
@@ -352,7 +352,7 @@ exports.examples = ([
   },
   {
     title: 'Return key',
-    render: function(): React.Node {
+    render: function (): React.Node {
       const returnKeyTypes = [
         'none',
         'go',
@@ -363,7 +363,7 @@ exports.examples = ([
         'next',
       ];
       const returnKeyLabels = ['Compile', 'React Native'];
-      const examples = returnKeyTypes.map(type => {
+      const examples = returnKeyTypes.map((type) => {
         return (
           <TextInput
             key={type}
@@ -373,7 +373,7 @@ exports.examples = ([
           />
         );
       });
-      const types = returnKeyLabels.map(type => {
+      const types = returnKeyLabels.map((type) => {
         return (
           <TextInput
             key={type}
@@ -393,7 +393,7 @@ exports.examples = ([
   },
   {
     title: 'Inline Images',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return (
         <View>
           <TextInput
@@ -417,7 +417,7 @@ exports.examples = ([
   },
   {
     title: 'Toggle Default Padding',
-    render: function(): React.Node {
+    render: function (): React.Node {
       return <ToggleDefaultPaddingExample />;
     },
   },