- Split getStatus() into onGetSummary() and onGetEnabled()
- Call them on app's UI thread
- Allow runtime exceptions to propagate up
- Make a couple of more methods final to prevent subclasses from playing
around with the intent
- Remove explicit timing requirement from javadoc
- Mention that this will be restricted to system-image apps (will be
enforced by the actual settings code)
- b/10461474
Change-Id: Id22dd7a707c05de396ae4c5810e839ca734714c0