Bluetooth: Use hexadecimal format when printing GATT handles

hexadecimal is the usual format when defining GATT handles values so
printing in the same format makes it easier to debug.

Change-Id: I6babcadaf5a4cffbac73db29c155343540cee120
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 files changed