Merge "Revert "Demoting testLaunchAppInSplitscreen_fromTaskbarAllApps from presubmit"" into udc-qpr-dev am: 14223c8fb6 am: 56c3aee7da

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24484260

Change-Id: I52e856d82acf60e03674f1d4d3da57155439b5bb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>