Resolve tutorial type based on device connected

When launching the tutorial, check if both device are connected. Launch
tutorial covering either one or both devices accordingly.

Bug: 344862874
Flag: com.android.systemui.shared.new_touchpad_gestures_tutorial
Test: Connect one device later than the other, make sure when the first
device triggers the tutorial, the tutorial type covers BOTH
Change-Id: I8eae3ce9225983e490a10e4334d2efac860ae248