tree 6f6fd3407716924ad70c6491eb1f40d8ccea9143
parent 2823d3abdd51e5bac9021dcc176ebd6abacc77e5
author Ivan Chiang <chiangi@google.com> 1539588182 +0800
committer Ivan Chiang <chiangi@google.com> 1542179195 +0800

Extend DocumentsContract search to accept mime types

1. Add the key of query arguments and match method
   in DocumentsContract.
2. Implement new querySearchDocuments method in
   DocumentsProvider, ExternalStoragProvider and
   FileSystemProvider.

Bug: 111786939
Test: Manual Test
Change-Id: I04e9f2be971f10ac1e9584a3486c948aaddea0a4