Bluetooth: Disable low power managerment on Hal->close()

This ensures the vendor library can release any wakelocks held and
perform any additional cleanup steps as necessary.

Change-Id: Ibfeac161109162ac375eef9c20f147f0506de602
Fixes: 35097918
Test: manual; disable Bluetooth, monitor wakelocks
(cherry picked from commit f60aeb446261cc859d28e79b6eb32402bc81cb3a)
1 file changed