Added tab press to select autocomplete
Added tab press to select autocomplete

Resovles #7132

Auditors: @srirambv @bsclifton

Test Plan:
- Ensure you have auto complete suggestion for on an input filed
- Press down on the input field to highlight the suggestion
- Once highlighted press tab, field should be filled

luixxiul/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,timborden/browser-laptop,timborden/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop