Make filter appear floating in ManagerApplication.

Using new layouts to make filter component appear
floating on top of the page.

The layouts contain the NestedScollView and AppBarLayout.
The NestedScrollView was given a layout_behavior which
defined the behavior of AppBarLayout.

Test: visual
Change-Id: Ia76104f80c6b60ac6c8f5937ebface8e9a7238b5
Fixes: 121148001