Add DISALLOW_CONFIG_LOCATION_MODE.

Bug: 67674888
Test: cts test will be added in b/67674901

Design doc: https://docs.google.com/document/d/1rvEg5jE3lMhjH-OA0iTLBUY2opM96fg7BrP81MoPnmg/edit#

Change-Id: I284d421eedfb238084fa61e7661638c22b28734f
3 files changed