Settings: Fix summary display of increasing ring preference

No record of this preference exists in settings database
after a fresh install. Since we're passing 1 as default
value, it'll update the summary of increasing ring as
"Enabled" by default, although it isn't.

Change-Id: I2f4673573ec6f9265752076876bb70cfd8566d67
Merge pull request #13 from omnirom/android-4.4

Settings: Fix summary display of increasing ring preference