DevelopmentSettings: Synchronize USB connection data state

* UsbModeChooserActivity now takes into account whether the user has
  unlocked USB data for the current composition mode, but the development
  settings USB mode chooser dialog does not. This patchset makes it
  aware.
* Assume if USB data hasn't been unlocked by the user, that USB charging
  mode is the current composition mode. This patch makes assumptions
  that the charging composition mode occurs at position 0 of the
  resources however. Any devices which have custom USB composition modes
  set in the overlay should be aware of this change.

REF: CYNGNOS-2322
Change-Id: I8789f23b1c58bfb6e23f4fcde2b2c10d5fd4adf2