3db6f288a3
This line was accidentally not put behind the flag in the last CL.
Bug: 403184586
Test: Manual, i.e. verified that back button is clickable with TalkBack
enabled. Also verified no regressions in kids themed taskbar.
Flag: com.android.window.flags.predictive_back_three_button_nav
Change-Id: Ia495e3f25e0c15815cb8d26254ecacfe245864a4