Stop using the "LIFO" write scheduler.
Stop using the "LIFO" write scheduler.

It doesn't mean what you think it means.

gfe-relnote: N/A, only affects QBONE
PiperOrigin-RevId: 266244921
Change-Id: I6e7b88a8f502fe32a2b8492d18269559f05ca511

google/quiche,google/quiche,google/quiche,google/quiche