Merge "Fix register homeTransitionListener with empty Transitions" into main am: e40166458d am: da72306e48

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3105357

Change-Id: I8b14526fe13e1c4d3bcf1b166a6b4c852e83ab7d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>