rami-a ae6d459a34
[Chips] Respect safe area for Chips examples (#5377)
Several examples under Chips were not respecting the safe area and therefore obscruing content on iPhone X in landscape. This change fixes that for:
* ChipsActionExampleViewController
* ChipsChoiceExampleViewController
* ChipsFilterExampleViewController

Closes #3705 
Closes #3706 
Closes #3707 


Before:
![simulator screen shot - iphone x - 2018-10-09 at 15 52 46](https://user-images.githubusercontent.com/2364772/46696484-378e8500-cbe0-11e8-9eb0-fedb5f3a0da9.png)

After:
![simulator screen shot - iphone x - 2018-10-09 at 15 55 43](https://user-images.githubusercontent.com/2364772/46696489-3bbaa280-cbe0-11e8-8cfe-e79118205c67.png)
2018-10-10 10:02:17 -04:00
..