hg: jdk/sandbox: 8242260: Add forRemoval=true to already deprecated ContentSigner

[chris.hegarty at oracle.com]

Changeset: d5de6e540eaf
Author:    weijun
Date:      2020-04-16 13:47 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/d5de6e540eaf

8242260: Add forRemoval=true to already deprecated ContentSigner
Reviewed-by: alanb, mullan, xuelei

! src/jdk.jartool/share/classes/com/sun/jarsigner/ContentSigner.java
! src/jdk.jartool/share/classes/com/sun/jarsigner/ContentSignerParameters.java
! src/jdk.jartool/share/classes/com/sun/jarsigner/package-info.java
! src/jdk.jartool/share/classes/jdk/security/jarsigner/JarSigner.java
! src/jdk.jartool/share/classes/sun/security/tools/jarsigner/Main.java
! src/jdk.jartool/share/classes/sun/security/tools/jarsigner/Resources.java
! src/jdk.jartool/share/classes/sun/security/tools/jarsigner/TimestampedSigner.java
! test/jdk/sun/security/tools/jarsigner/Options.java