Bluetooth: Fix to connect PANU from the internet access menu

isPrefered is always true for PAN. So PANU connect fails,
Once user clicks on the internet access menu in Profiles
Setting. As PAN is not auto connect profile, So PANU should
connect from the internet access menu in Profiles Setting.

Change-Id: I6007c848e7c2703dc97f7f2113356a7aaeed0a0e
CRs-Fixed: 545350