Use CommentStore to access core comment fields when available

Authored by Anomie on Aug 30 2017, 5:06 PM.

Description

Use CommentStore to access core comment fields when available

See core change Ic3a434c0.

Bug: T166732
Change-Id: I130510381ef97d8a2d29686843e2710cb5f72195
(cherry picked from commit cfa98448c3d44d92a60c352984990ec2cdcb3f2f)

Details