Ignore recents transition if there are no closing tasks am: 6f7e15ff64

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23909000

Change-Id: I8077d28abcee554ef793df5eefc7ceab94ec0149
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>