Add a new CollapsingCoordinatorLayout in CollapsingToolbar

- Add this widget which is wrapping the collapsing toolbar.
- This new widget can be directly used by the AppCompatActivity.

Bug: 215463210
Test: make RunSettingsLibRoboTests ROBOTEST_FILTER=com.android.settingslib.collapsingtoolbar
Change-Id: Id5ab5ff10ac691b8ff2997a0635f0047c1fa4f75