Only show update indicator in non-launcher environments

Summary:
I didn't update the render logic accordingly after figuring
out how the internal update endpoint works. This closes
that gap.

Reviewed By: danielbuechele

Differential Revision: D17316892

fbshipit-source-id: 1e6c4dd17b342b2a062cea90d763be01ed6fc1ec

src/chrome/UpdateIndicator.tsx

@@ -16,6 +16,7 @@ import {
 import {reportPlatformFailures} from '../utils/metrics';
 import React from 'react';
 import {shell} from 'electron';
+import config from '../utils/processConfig';
 
 const Container = styled(FlexRow)({
   alignItems: 'center',
@@ -90,7 +91,7 @@ export default class UpdateIndicator extends React.PureComponent<Props, State> {
   }
 
   componentDidMount() {
-    if (isProduction()) {
+    if (isProduction() && config().launcherEnabled) {
       reportPlatformFailures(
         checkForUpdate(this.props.version).then(res => {
           if (res.kind === 'error') {