commit e165b954b8e9cb799ba4553ff7eccef70e87cefc
author Terry Wang <tytytyww@google.com> Tue Jul 20 22:01:07 2021 -0700
committer Terry Wang <tytytyww@google.com> Wed Jul 21 03:50:54 2021 -0700
tree 3bc143544b1f71de2ecc23c3f06881975291e2c8
parent 7ae2dec8ba7f08ad7701836d5ad923819352b445

Fix validation crash for nextPageToken.

We are caching nextPageToken in query(), and validate it in
getNextPage(). But when it reach to the end, the token will be changed
to 0. And it will crash if user is trying to fetch next page since 0
is not cached and won't passed the validation.

This change fix the issue. Without it, users maybe crashed if they
are trying to retrieve all documents in all result pages.

Bug: 187972715
Test: AppSearchSessionUnitTest
Change-Id: Ia95feb52f2a37348e11afdf0b320c61bfce22d40