Create whitelist for the most popular settings

As a temporary solution to getting the most popular
settings to be the top rank, we have created a white list.
If a prioritized setting shows up somewhere in the results
then it will be given an elevated rank to be at the top.

Bug: 35048659
Test: make RunSettingsRoboTests
Change-Id: I92b563a17b42d8f91d980dd1d8e5f8f29ca5aa9c