Make requested visibility available in snapshot starting window

This change make the snapshot starting window holds the requested
visibilities when created from the task. Such that, when the window get
back from the background, the insets state in the window state can have
the correct visibilities.

Test: check getInsetsStateWithVisibilityOverride as described in the bug.
Bug: 196637509
Bug: 185729224
Change-Id: I54ab0791b169331c22cd89f7e6da640322bf7dd3