Adding a WCT to update a Task policy of launch-next-to-bubble

Sets when a Task turns into a Bubble and reset it when it leaves.

Bug: 388651207
Test: wm presubmit
Test: WindowContainerTransactionTests
Flag: com.android.wm.shell.enable_create_any_bubble
Change-Id: I74b49191c0462007b609c065be7cd7e91ae5b896