Bluetooth: Add check fo connection encrypt flag in ATT

This checks if connection encrypt flag is set if attribute requires
encryption and in case the connection is already encrypted return
success.

Change-Id: I8af4e9786b63a21f478b3aa9f6df448d7f5760c5
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed