hg: jdk/sandbox: 8229775: Incorrect warning when jar was signed with -sectionsonly

[chris.hegarty at oracle.com]

Changeset: 81ce766c9111
Author:    weijun
Date:      2019-08-16 08:42 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/81ce766c9111

8229775: Incorrect warning when jar was signed with -sectionsonly
Reviewed-by: mullan

! src/jdk.jartool/share/classes/sun/security/tools/jarsigner/Main.java
+ test/jdk/sun/security/tools/jarsigner/SectionsOnly.java