Update new UI for conditional collapsibility

- Add a footer view with collapsing button and this view will be
appended to the last position of condition cards when condition
cards are expanded.
- Add a header view with expanding button when condition cards
are in collapsed state.

Bug: 119593268, 113451905
Test: rebuild, visual
Change-Id: I82c20641d1542e45383da48106f8fedea06a68ed