tree 4dc6b3f4cd4d4acd4522b5d646e78664d4ce1a9a
parent b1ccbd9def7c1baa92ffb8a5d16ec623bb6acd5d
author Tracy Zhou <tracyzhou@google.com> 1566279752 -0700
committer Tracy Zhou <tracyzhou@google.com> 1568667155 +0000

Make sure that live tile overlay is added only once.

Users report seeing empty launcher. After adding some logging, live tile
overlay can be added twice and removed only once. I added some logic to
make sure that it can only be added once.

Test: manual
Fixes: 135864059
Change-Id: I9d3325c56e76654f1397cc65979b97a6c0a80aee
(cherry picked from commit d3ef57b4ddb635580fc5898d22b31193894cda60)
(cherry picked from commit 4fa6f63ffd7a5ab230d17e8401d29cae3e5440b8)