[Reclaim buffer][202012] Reclaim unused buffers by applying zero buffer profiles#9063

Merged

liat-grozovik merged 12 commits intosonic-net:202012from stephenxs:zero-profile-202012

Dec 9, 2021

+9,306-2,782

Commits on Sep 26, 2021

Support zero buffer profiles
stephenxs
committed

Commits on Nov 24, 2021

Added missing file
stephenxs
committed

Commits on Dec 6, 2021

Fix checker failure: Do not use pytest fixture in test_buffer_render_template test
stephenxs
committed
Revert "Fix checker failure: Do not use pytest fixture in test_buffer_render_template test"
stephenxs
committed

Commits on Dec 7, 2021