Polish work for work profile

Bug: 191478900 Work profile toggle specs
Bug: 187761192 Fix issue where Installing app scrolling apps to top
Bug: 191121890	Fix issue where top of AllApps becomes empty when returning to AllApps
Bug: 191477329 String change for work profile paused state
Test: local
Change-Id: Idbaab333566b54afa3dc879f5bea98e1f77c44fc