Enable the android.window.PROPERTY_ACTIVITY_EMBEDDING_SPLITS_ENABLED property

Future WM Jetpack library updates will ask for the property to
enable ActivityEmbedding feature.

Bug: 264733035
Test: build pass
Change-Id: I0f5e5a10250049fb9425eac7c113b803b6701cc7
Merged-In: I0f5e5a10250049fb9425eac7c113b803b6701cc7
(cherry picked from commit cf4ee7be4c760d313a8ee918c4df0c23472521ff)
1 file changed