[DO NOT MERGE] Keeping Launcher in overview UI if activity is restarting
due to UI mode changes

Test: Verified Launcher behavior locally
Bug: 148988542
Change-Id: Id83e5e0892666af1420e8f8c711b83f1ea355188
(cherry picked from commit 6c0c61acd8e81be312e1edda5f9a3c85a0718746)
2 files changed