(cherry picked from commit 954ed57091a6471f1873c9954fbb16a4f65a25b5)
Strings for selecting between Off, All and All minus radio to
store logs persistently on the local eMMC device. Strings for
warning button when erasing logpersist data.
Bug: 28936216
Change-Id: I3aaa59a6ebbe1a695490b4a72cad2c807c048985
Make SettingsLib capable of tracking which wifi networks are
available/saved and their state.
Also modify Quick Settings to use this code rather than having
its own logic.
Bug: 19180466
Change-Id: Iff9f9aed240d79323dba41496496e8076b9fa6f2