Limit response messages to 1MB, as big payload results in poor performance.
Limit response messages to 1MB, as big payload results in poor performance.

PiperOrigin-RevId: 385130504
Change-Id: I7bcfce7a6850ae0090b6daf43b5357c11a55913b

deepmind/reverb,deepmind/reverb,deepmind/reverb,deepmind/reverb