make module IDs deterministic when bundling

Summary:
This makes sure that `getModuleId` is called on modules in the order returned by `node-haste`, rather than waiting for a couple of promises to resolve before calling the function.

Related: #7758

Reviewed By: frantic

Differential Revision: D3450853

fbshipit-source-id: 7f26590b39b94ade32c73a8db9fd31d283d57549

local-cli/bundle/output/bundle.js

@@ -13,7 +13,10 @@ const meta = require('./meta');
 const writeFile = require('./writeFile');
 
 function buildBundle(packagerClient, requestOptions) {
-  return packagerClient.buildBundle(requestOptions);
+  return packagerClient.buildBundle({
+    ...requestOptions,
+    isolateModuleIDs: true,
+  });
 }
 
 function createCodeWithMap(bundle, dev) {