[DO NOT MERGE] Disable live tile in split mode for S

Recall link: https://recall.googleplex.com/projects/debb8388-5e38-42c5-99ab-20bdfb92d25e/sessions/655af962-b4bd-4dc4-93aa-178852c0d701

Bug: 193991436
Test: enter split screen and swipe up
Change-Id: I7adffcdefb12d225db207542716a436f29df0377