Implement bounce animation for invalid split target

When the user selects an app pair as a split target, the split instructions view will now bounce up and down to prompt the user to select something else.

Fixes: 315529271
Test: Manual
Flag: ACONFIG com.android.wm.shell.enable_app_pairs TEAMFOOD
Change-Id: I1ff194449db2263b266404f42a75ebc35ee6077c
2 files changed