Revert "Disable gestures when split apps are animating in from shell"

Revert submission 26481253-disableSplitAnim

Reason for revert: b/329523822

Reverted changes: /q/submissionid:26481253-disableSplitAnim

Change-Id: Iaa0f0ac2cd1bda198b0020eb7dc5785fa3504b8e
1 file changed