Add controllers for default app shortcut preferences.

For AppInfoDashboardFragment:
- add the default app shortcut preferences into the preference screen
instead of creating them dynamically.
- add controller for each of the shortcut preference.

Bug: 69384089
Test: make RunSettingsRoboTests
Change-Id: I1e81944a3bc867fd6a3a0d484bab77c3ad0e6441
16 files changed