Fix whitespace

[treyhunner]

Request Type: chore

How to reproduce:

Component(s):

Impact:

Complexity: small

This issue is related to:

Detailed Description:

Other Comments:

This involves multiple whitespace-only changes:

• Convert some tab indentation to spaces
• Trim all trailing spaces
• Add final newlines that are missing from some files

Doing a git diff -w master will confirm that this is a whitespace-only change. Adding ?w=1 to the files changed URL also demonstrates this.

[mary-poppins]

Thanks for the PR! Please check the items below to help us merge this faster. See the contributing docs for more information.

• Uses the issue template (#8277)

If you need to make changes to your pull request, you can update the commit with git commit --amend.
Then, update the pull request with git push -f.

Thanks again for your help!

[mary-poppins]

I'm sorry, but I wasn't able to verify your Contributor License Agreement (CLA) signature. CLA signature is required for any code contributions to AngularJS.

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[treyhunner]

I have now signed the CLA.

[mary-poppins]

CLA signature verified! Thank you!

Someone from the team will now triage your PR and it will be processed based on the determined priority (doc updates and fixes with tests are prioritized over other changes).