Add dateformat flow stub

Summary: `flow-typed create-stub dateformat`

Reviewed By: passy

Differential Revision: D16334489

fbshipit-source-id: d72b89a6578913bb799f93038455e16e386a7422

flow-typed/npm/dateformat_vx.x.x.js

@@ -0,0 +1,32 @@
+// flow-typed signature: 3d651fc79523c92efe95077d29cac82f
+// flow-typed version: <<STUB>>/dateformat_v3.0.3/flow_v0.102.0
+
+/**
+ * This is an autogenerated libdef stub for:
+ *
+ *   'dateformat'
+ *
+ * Fill this stub out by replacing all the `any` types.
+ *
+ * Once filled out, we encourage you to share your work with the
+ * community by sending a pull request to:
+ * https://github.com/flowtype/flow-typed
+ */
+
+declare module 'dateformat' {
+  declare module.exports: any;
+}
+
+/**
+ * We include stubs for each file inside this npm package in case you need to
+ * require those files directly. Feel free to delete any files that aren't
+ * needed.
+ */
+declare module 'dateformat/lib/dateformat' {
+  declare module.exports: any;
+}
+
+// Filename aliases
+declare module 'dateformat/lib/dateformat.js' {
+  declare module.exports: $Exports<'dateformat/lib/dateformat'>;
+}

src/utils/CertificateProvider.js

@@ -21,7 +21,6 @@ import iosUtil from '../fb-stubs/iOSContainerUtility';
 import {reportPlatformFailures} from './metrics';
 import {getAdbClient} from './adbClient';
 import * as androidUtil from './androidContainerUtility';
-// $FlowFixMe T47375728
 import dateFormat from 'dateformat';
 const writeFile = promisify(fs.writeFile);
 const exists = promisify(fs.exists);