Revert "Band-aid for getHomeActivities returning null"

This reverts commit 42a7d1af83b317076afc16f5ff8e142c828bf613.
REASON FOR REVERT: the underlying framework bug is fixed

Test: presubmit
Bug: 187080582

Change-Id: If580a35196ba9a9c5e3a5da642a2ea3aa3d9048e
2 files changed