* Used same animation properties that RecentsView uses to
show the instructions view unfolding
* TODOs:
* UI polish (correct asset, animation timings, etc)
* Hook into existing animations (if possible)
* Migrate recentsView splitInstructionsView to use same/similar code path;
remove RecentsView#safeRemoveDragLayerView
Bug: 276361926
Test: Create split w/ and w/o flag, works as expected
Flag: ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE
Change-Id: I7a51b71c358902399ad73b650287cdbf1dad07c6
The instructions for how to perform a splitscreen operation, previously conveyed through a disappearing Toast, are now conveyed through a custom View object.
Fixes: 219987907
Test: Manual
Change-Id: Iff2bb6e334e0325e8a091d76a5f9b8767071365f