Firebase/Analytics tvOS Support

[abdelrahman-ahmed]

[READ] Step 1: Are you in the right place?

• For issues or feature requests related to the code in this repository
  file a Github issue.
  • If this is a feature request make sure the issue title starts with "FR:".
• For general technical questions, post a question on StackOverflow
  with the firebase tag.
• For general Firebase discussion, use the firebase-talk
  google group.
• For help troubleshooting your application that does not fall under one
  of the above categories, reach out to the personalized
  Firebase support channel.

[REQUIRED] Step 2: Describe your environment

• Xcode version: _____
• Firebase SDK version: _____
• Firebase Component: _____ (Auth, Core, Database, Firestore, Messaging, Storage, etc)
• Component version: _____

[REQUIRED] Step 3: Describe the problem

Steps to reproduce:

What happened? How can we make the problem occur?
This could be a description, log/console output, etc.

Relevant Code:

// TODO(you): code here to reproduce the problem

[google-oss-bot]

I found a few problems with this issue:

• I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.
• This issue does not have all the information required by the template. Looks like you forgot to fill out some sections. Please update the issue with more information.

[paulb777]

Duplicate of #2011