hg: jdk/sandbox: 8206443: Update security libs manual test to cope with removal of javac -source/-target 6

[chris.hegarty at oracle.com]

Changeset: 44c355346475
Author:    jjiang
Date:      2018-07-14 07:31 +0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/44c355346475

8206443: Update security libs manual test to cope with removal of javac -source/-target 6
Summary: Change compile -source/-target from 1.6 to 1.7
Reviewed-by: xuelei

! test/jdk/javax/net/ssl/compatibility/Compatibility.java
! test/jdk/javax/net/ssl/compatibility/JdkRelease.java
! test/jdk/javax/net/ssl/compatibility/Parameter.java
! test/jdk/javax/net/ssl/compatibility/README
! test/jdk/sun/security/tools/jarsigner/compatibility/Compatibility.java