Update preferred activity for SMS related SENDTO intents

Updates the preferred SENDTO activity for sms/mms schemes so that the user
will not see an intent disambiguation dialog for SENDTO sms/mms.

- Update preferred activity on set default SMS app
- Update preferred activity on "secure" get default SMS app
- Update preferred activity on package install/uninstall

Bug:11482259 When default SMS app changes we need to update the default app for the SEND intent
Change-Id: Ib2752fe84389f1c50cf2aa5841e75c3913b94e18