Implement new "Open by default" page

- Use the new MainSwitch and TopIntro widgets.
- Create VerifiedLinksPreference and LeftSideCheckBoxPreference.
- Create ProgressDialogFragment and SupportedLinksDialogFragment.
- Retrieve the links info from DomainVerificationManager.
- Allow user to change the supported links into selected links.
- Refactor the ClearDefaultsPreference.
- Move AppLaunchSettings into intentpicker directory.

Bug: 177923646
Bug: 182530528
Test: manual test
Change-Id: I935a2fdd0f62cdb8b8d3210fb2f800f682249cb7