Do not log "None" type API accesses.

They do not imply any actual access, so logging them just pollutes the
logs.

Bug: 77517571
Test: m
Test: $ adb lolcat -b events | grep sysui_multi_action
Change-Id: I66100f25a8f0b3cf7b1a04e5fdd046a1368596a1
1 file changed