Correct breadcrumbs of Wi-Fi scanning and Bluetooth scanning

Since the screen title of the Location Services page is not the same
as the preference title on the Location page, it breaked the page
relation between Location and Location services to lead to the broken
breadcrumbs for Wi-Fi scanning and Bluetooth scanning.

Fixes: 192540579
Test: visual
Change-Id: I9fbc4033517a715e97e534991549a1029ca4e5fa