Add debug sysprops to disable sched fifo in surfaceflinger

debug.sf.disable_sched_fifo_sf: false
debug.sf.disable_sched_fifo_sf_binder: false
debug.sf.disable_sched_fifo_sf_sched: false
debug.sf.disable_sched_fifo_re: false
debug.sf.disable_sched_fifo_composer: false
debug.sf.disable_sched_fifo_composer_callback: false

Fixes: 390673988
Test: setprop disable_sched_fifo_sf and check sched policy in perfetto
Flag: EXEMPT adding sysprop flags
Change-Id: I1973a96591bacd8d7fc6e103f24f4b8e9c7ab926