Expand the visual effects that DND can suppress.

Additionally default to disabling all visual effects when DND is on,
to gather dogfood feedback.

The 'dnd has changed' notification will be reposted after this
CL and has updated text.

Test: runtest systemui-notification
Bug: 74075050
Change-Id: I5bec8ccc6456d98112907b0264ecd52734983984