hg: jdk/sandbox: 8241947: Minor comment fixes for system property handling

[chris.hegarty at oracle.com]

Changeset: 7abf5fa43687
Author:    clanger
Date:      2020-04-02 13:06 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/7abf5fa43687

8241947: Minor comment fixes for system property handling
Reviewed-by: ihse, mchung, alanb

! make/autoconf/spec.gmk.in
! src/java.base/share/classes/java/lang/System.java