Implement the work scheduler view and update colors of FAB

Update colors of the FAB to spec: https://www.figma.com/design/uMzPkNMZpb7EyfHDo8usIa/V-%E2%80%A2-Toast-Butter?node-id=3784-112229&node-type=instance&m=dev
Exported the brief case icon from figma since it is not available on go/icons.
Color of the brief case icon is onPrimary.
Have place holder string in launcher but implement the actual string in NL.

bug:361589193
Test - manual: video: https://drive.google.com/file/d/1CIs8qdtV1jUvbq57CcgAXDBPPHHX5CKJ/view?usp=sharing
Flag: com.android.launcher3.work_scheduler_in_work_profile

Change-Id: Ia98e9c4394f6ddfa7009653034929f9afbfeac8c