Cherry pick #7571 and #7579 to v1.66.x release branch#7616

Merged

purnesh42H merged 2 commits intogrpc:v1.66.xfrom purnesh42H:cherry-pick-7571-7579

Sep 11, 2024

+32-19

Commits on Sep 11, 2024

estats: remove dependency on testing package (grpc#7579 )

easwars
authored and
purnesh42H
committed
grpc: fix regression by freeing request bufferslice after processing unary (grpc#7571 )

coxley
authored and
purnesh42H
committed