Adds a notification to work profile screenshots

Test: Setup a work profile
Test: Take a screenshot of a standard app
Test: Observe normal screenshot flow
Test: Take a screenshot of a work profile app
Test: Observe that a notification appears below the screenshot
BUG: 254245929

Change-Id: Ib48861fbe8bf28d7a1cfbb9ce1b60e2af1c3018e