Create a collapsing toolbar based activity

On Android S, each of subsetting pages will have a collapsing toolbar to
enlarge its title. However, there are many different pages from
differennt apps. So we extracted a base activity with collapsing toolbar
layout so it is easier to enbale a collapsing toolbar in their own
pages.

Bug: 179380824
Test: visual verified
Change-Id: Ic505d65320081589d1e1b5eb4bd2af7a06e60d39