tree 9792666aab63e6eb041ade210c746a073a6a9038
parent 6f6cc6b315d2a143cb6b329c269e3515fa8463b4
author Debargha Mukherjee <debargha@google.com> 1602121984 -0700
committer Debargha Mukherjee <debargha@google.com> 1604708280 +0000

Rework grp idx ctx when dist-wtd-comp is removed

Improves the coding results with dst-wtd-compound
removed to improve the tools-off gap from +0.06% to
~0.03%.

Change-Id: I35bf0f3b258a530397ff737dca02b78e4cdfa053