Migrate clocks to blueprint sections

Bug: 288242803

Flag: LEGACY MIGRATE_CLOCKS_TO_BLUEPRINT DEVELOPMENT

Test: atest ClockSectionTest, SmartspaceSectionTest,
KeyguardClockViewModelTest, keyguardClockRepositoryTest

Change-Id: I265e4494bc99cacbf0c4dfe5ee6aef695958f7e2
28 files changed