- define SettingsSearchIndexablesProvider as an internal
SearchIndexablesProvider
- protect access thru using android.permission.READ_SEARCH_INDEXABLES
- update WallpaperTypeSettings and WifiSettings for taking care of
the new model
- update the Dashboard for taking care about external Icons for the
search result
- update sqlite model/version for taking care about Intents
(enable launching external applications for showing the settings)
Change-Id: I2e38599327e6480f1754f52666becce0884cee9d
