hg: jdk/jdk: 8237261: Concurrent refinement activation threshold not updated for card counts

[kim.barrett at oracle.com]

Changeset: a18a85485ba4
Author:    kbarrett
Date:      2020-01-20 14:31 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/a18a85485ba4

8237261: Concurrent refinement activation threshold not updated for card counts
Summary: Fix special-case threshold calculation for primary refinement thread
Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/gc/g1/g1ConcurrentRefine.cpp