tree 02bb41b929e3ed75a1dd41451b453115c0dd9384
parent 83d9908e54f34c9afbe2fa0c506f3c272797511c
author Zhen Zhang <zzhen@google.com> 1594837014 -0700
committer Zhen Zhang <zzhen@google.com> 1594933595 -0700

Scroll the hiding page to top on tab changed in sharesheet

After the tab changed, ResolverDrawerLayout will lose reference of the
hidden page which can cause the page not able to scoll back to top.
Automatically scroll on tab changed to avoid that situation.

Bug: 160886554
Test: manually test; atest ChooserActivityTest; atest
ResolverActivityTest

Change-Id: I1a8ba72f6b1dcb9bca19262b97983788001d715b