Add QueryAllPackages to DocumentsUI

Test: atest CtsAppSecurityHostTestCases
Bug: 171849098

Change-Id: I0ff4edd0b0b0781ce7279e7ac1e44d2702978bca
(cherry picked from commit 6c88098c5ecb01f1cc21fd1b431c5cfff60e5784)
1 file changed