Update FlowFixMes to use error codes in react-native-github

Summary:
Changelog:
[Internal] - Add error codes to existing FlowFixMe's

Reviewed By: kacieb

Differential Revision: D27445689

fbshipit-source-id: 2b19692e1cb822ab6785efcc5f93ee33e7dce1e5

Author: Luna Wei

IntegrationTests/AsyncStorageTest.js

@@ -218,9 +218,10 @@ class AsyncStorageTest extends React.Component<{...}, $FlowFixMeState> {
     return (
       <View style={styles.container}>
         <Text>
-          {/* $FlowFixMe(>=0.54.0 site=react_native_fb,react_native_oss) This
-           * comment suppresses an error found when Flow v0.54 was deployed.
-           * To see the error delete this comment and run Flow. */
+          {/* $FlowFixMe[incompatible-type] (>=0.54.0 site=react_native_fb,react_
+           * native_oss) This comment suppresses an error found when Flow v0.54
+           * was deployed. To see the error delete this comment and run Flow.
+           */
           this.constructor.displayName + ': '}
           {this.state.done ? 'Done' : 'Testing...'}
           {'\n\n' + this.state.messages}

IntegrationTests/IntegrationTestHarnessTest.js

@@ -56,9 +56,10 @@ class IntegrationTestHarnessTest extends React.Component<Props, State> {
     return (
       <View style={styles.container}>
         <Text>
-          {/* $FlowFixMe(>=0.54.0 site=react_native_fb,react_native_oss) This
-           * comment suppresses an error found when Flow v0.54 was deployed.
-           * To see the error delete this comment and run Flow. */
+          {/* $FlowFixMe[incompatible-type] (>=0.54.0 site=react_native_fb,react_
+           * native_oss) This comment suppresses an error found when Flow v0.54
+           * was deployed. To see the error delete this comment and run Flow.
+           */
           this.constructor.displayName + ': '}
           {this.state.done ? 'Done' : 'Testing...'}
         </Text>