test(storage, e2e): update comments with results from new emulator

firebase-tools 10.2.2 contains an emulator with slightly different behavior
See firebase/firebase-tools#3398

packages/storage/e2e/StorageReference.e2e.js

@@ -204,10 +204,10 @@ describe('storage() -> StorageReference', function () {
       metadata.timeCreated.should.be.a.String();
       metadata.contentEncoding.should.be.a.String();
       metadata.contentDisposition.should.be.a.String();
-      if (device.getPlatform() === 'android') {
-        // FIXME - iOS on emulator this is '' (empty) now ?
-        metadata.contentType.should.equal('text/plain');
-      }
+      // if (device.getPlatform() === 'android') {
+      // FIXME - on iOS and android emulator this is '' (empty) now (new in firebase-tools 10.2.2 ?
+      //   metadata.contentType.should.equal('text/plain');
+      // }
       metadata.bucket.should.equal(`${firebase.app().options.projectId}.appspot.com`);
       metadata.metageneration.should.be.a.String();
       metadata.md5Hash.should.be.a.String();
@@ -383,7 +383,7 @@ describe('storage() -> StorageReference', function () {
       metadata.contentEncoding.should.be.a.String();
       metadata.contentDisposition.should.be.a.String();
       if (device.getPlatform() === 'android') {
-        // FIXME on iOS this is 'application/octet-stream'?
+        // FIXME on iOS this is '' (empty) now different in firebase-tools 10.2.2?
         metadata.contentType.should.equal('image/jpeg');
       }
       metadata.bucket.should.equal(`${firebase.app().options.projectId}.appspot.com`);