Update the PiP display layout with the navigation bar offset.

Listen for updates to the navigation bar insets and update the PiP
display layout to ensure the PiP window does not enter the navigation
bar insets.

Bug: 409484027
Flag: com.android.wm.shell.enable_pip2
Video: http://recall/-/enO6UfsUvbbP010y4Er8TK/dHduI1k0hwvNdMTqDGwqGU
Test: atest NavigationBarsListenerTest

Change-Id: I70ee2dbe26f897c43b32b9f4239c2abc522a5bbe