VKMS: Reset the display driver card on vkms teardown

When we teardown VKMS, we should reset the driver card so SF & HWC can
find the right hardware

Bug: b/438905273
Test: UI turns on after atest Vkms2_VtsHalGraphicsComposer3
Change-Id: I3cf3085417a3d3cbffd8f74eaf85ef296bb41c7f
2 files changed