LWIS: Handle shared GPIO device power down

Handover the GPIO handler to the other device that is still enabled.
It'd prevent the error when we disable a shared GPIO device.

Bug: 264510848
Test: GCA
Change-Id: I033b4f29e0f924155ee6d5a336ea80e584da1db7
Signed-off-by: Holmes Chou <holmeschou@google.com>
3 files changed