hg: jdk/sandbox: 8226796: Reduce debug level logging for oopstorage+blocks

[chris.hegarty at oracle.com]

Changeset: 02cffb476ab0
Author:    kbarrett
Date:      2019-07-26 23:37 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/02cffb476ab0

8226796: Reduce debug level logging for oopstorage+blocks
Summary: Adjust logging levels based on expected volume of output.
Reviewed-by: tschatzl, pliden

! src/hotspot/share/gc/shared/oopStorage.cpp