Show work profile status bar icon for lockscreen app.

If currently active app is in work profile and is shown on top of
keyguard (i.e. keyguard is occluded), we need to show work profile icon.

Bug: 31796748
Test: manually, running navigation in Google Maps.
Change-Id: I25e12ccf6a5def6efbee22f41bfa216c8acc3b26