Don't refresh GATT database after bonding

According to the Bluetooth spec: "For a given client, the server shall have
one set of attributes.".

If we discover services before bonding, we should be fine using them
afterwards, without need to refresh whole GATT database.

This change should speed up bonding HOGP devces by around one second.

Refreshment of GATT database was tied to connection parameter
reenabling. Make sure bonding does not disable connection parameter
change.

Bug: 67057055
Test: Bond with HOGP device, verify profile is connected properly
Change-Id: I1e738c56e211cf3d9234b424f354bf3e468227aa