Update startViewCalendarEventInManagedProfile API according to API review

1. Replaced ACTION_VIEW_WORK_CALENDAR_EVENT with
ACTION_VIEW_MANAGED_PROFILE_CALENDAR_EVENT
2. Improved the javadoc for EXTRA_EVENT_ID
3. Improved the javadoc for startMs and endMs

Bug: 122899642
Bug: 122898273
Bug: 122900059
Test: atest ManagedProfileTest#testCrossProfileCalendar
Change-Id: Ida84cd0d7d941e18acb9140c8fffc27b1ebd0a6c
3 files changed