BLE Host - Update unit tests to use new dflt cfg.
BLE Host - Update unit tests to use new dflt cfg.

X-Original-Commit: bcbfb4129b1d702dc235b68303500d780c5d3dd1

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble