To facilitate user recovery from issues where the band mode
list is incomplete and may not report the full list of bands,
the user should *always* have the ability to set the band mode
selection to AUTOMATIC.
Bug: 28124606
Test: compilation, UI check
Change-Id: Ib961d9b058ade5a51dfec0777971c8c98dee2033
(cherry picked from commit f8555e4812
)