Change work_app_edu to be like T spec: https://screenshot.googleplex.com/43ThiCnqrAqAQgE

Fixed the button to show on Portrait mode..streamline added for work_mode_fab.
Took out unneccessary attributes such as textColor for the button and took out background.

How it looks in landscape: https://screenshot.googleplex.com/AVaUEztqsXYA28N
How it looks in portrait: https://screenshot.googleplex.com/3oTG3j7yZLCxkLz
Apk: https://drive.google.com/file/d/1qLeiJSF3lHf7tZzoHWwBHGxDgbveTIYX/view?usp=sharing

Test: Manual - Tested on local Pixel device (Raven)
Bug: 224731116
Bug: 224731300
Change-Id: If1392806adecf1ce02723d20686ca6bf524f6464