Merge ingress service pools of lossless and lossy traffic#1578

Merged

lguohan merged 7 commits intosonic-net:masterfrom

wendani:poolmerge

Apr 14, 2018

Commits on Apr 10, 2018

Merge ingress service pools of lossless and lossy traffic
wendani
committed

Commits on Apr 12, 2018

Work around the SAI bug in the case that PG_MIN_LIMIT for lossy traffic is
wendani
committed
Restore lossy traffic ingress to use dynamic threshold
wendani
committed

Commits on Apr 13, 2018

Change alpha of lossless PGs to 1/16
wendani
committed

Commits on Apr 14, 2018