Revert "Fix activity leak"

This reverts commit 67c807a1fead456203692fdd92526cf30ad5e1ef.

Reason for revert: <Setting the SplitSelectStateController to null causes NPE in launcher>

Fix: 342553715
Bug: 332339792
Change-Id: I10433e468948c4ba826e79baa06925fdf7dfbe5d
1 file changed