Support status bar and insets on virtual devices.

Allow for the virtual device owner to add TYPE_STATUS_BAR views and
the corresponding insets to the displays owned by them.

Bug: 350007866
Bug: 327742113
Test: presubmit, VDM demo app
Flag: android.companion.virtualdevice.flags.status_bar_and_insets
Change-Id: I15c0d4db1364e13039f978e55e1eacf2a71e63d5