Styling updates and typo fixes

Summary:
Changelog: [Internal] Fix things in RNTester
* Make SectionList-contentInset example iOS only and update styling
* Fix a typo in SectionList-onEndReached example
* Fix module example styling and pressed state styling for Android

Reviewed By: kacieb

Differential Revision: D29571327

fbshipit-source-id: 5cbb68781536e21ca73ca22b01343379306babd4

packages/rn-tester/js/components/RNTPressableRow.js

@@ -87,6 +87,7 @@ const styles = StyleSheet.create({
   },
   pressed: {
     backgroundColor: 'rgb(242,242,242)',
+    elevation: 3,
   },
   topRowStyle: {
     flexDirection: 'row',

packages/rn-tester/js/components/RNTesterModuleContainer.js

@@ -136,6 +136,6 @@ const styles = StyleSheet.create({
       ios: StyleSheet.hairlineWidth,
       android: 0,
     }),
-    marginHorizontal: Platform.select({ios: 15, android: 0}),
+    marginHorizontal: 15,
   },
 });

packages/rn-tester/js/examples/SectionList/SectionList-contentInset.js

@@ -59,7 +59,7 @@ export function SectionList_contentInset(): React.Node {
 const styles = StyleSheet.create({
   titleContainer: {
     position: 'absolute',
-    top: 45,
+    top: 40,
     left: 0,
     right: 0,
     justifyContent: 'flex-end',
@@ -76,6 +76,7 @@ const styles = StyleSheet.create({
 
 export default {
   title: 'SectionList Content Inset',
+  platform: 'ios',
   name: 'SectionList-contentInset',
   render: function(): React.Element<typeof SectionList_contentInset> {
     return <SectionList_contentInset />;

packages/rn-tester/js/examples/SectionList/SectionList-onEndReached.js

@@ -37,7 +37,7 @@ export function SectionList_onEndReached(): React.Node {
 }
 
 export default {
-  title: 'SectionList Inverted',
+  title: 'SectionList onEndReached',
   name: 'SectionList-onEndReached',
   description: 'Test onEndReached behavior',
   render: function(): React.Element<typeof SectionList_onEndReached> {

packages/rn-tester/js/types/RNTesterTypes.js

@@ -13,7 +13,7 @@ import * as React from 'react';
 export type RNTesterModuleExample = $ReadOnly<{|
   name?: string,
   title: string,
-  platform?: string,
+  platform?: 'ios' | 'android',
   description?: string,
   render: () => React.Node,
 |}>;