fix(input): patched input cjk binding bug on IE11 browser. (angularjs v1.4.4)

[powerumc]

Related #12659

I append "if condition" code about ie11.

[googlebot]

Thanks for your pull request. It looks like this may be your first contribution to a Google open source project, in which case you'll need to sign a Contributor License Agreement (CLA).

📝 Please visit https://cla.developers.google.com/ to sign.

Once you've signed, please reply here (e.g. I signed it!) and we'll verify. Thanks.

---

• If you've already signed a CLA, it's possible we don't have your GitHub username or you're using a different email address. Check your existing CLA data and verify that your email is set on your git commits.
• If you signed the CLA as a corporation, please let us know the company's name.

[Narretz]

Dupe of #12661

[Narretz]

Oops, didn't see this was for master. We usually backport these fixes from master without an extra PR.

[powerumc]

Do I have any problem for this pull request? :)

[googlebot]

CLAs look good, thanks!

[Narretz]

We've recently fixed an issue with IE and compositionevents. It's possible that this PR was obsoleted by it. However, it's difficult to tell because there are no tests in this PR. Closing then. Sorry we never properly triaged this,