hg: jdk/sandbox: 8231545: Suppress warnings on non-serializable instance fields in jdk.jshell module

[chris.hegarty at oracle.com]

Changeset: 91d236715160
Author:    darcy
Date:      2019-10-01 20:07 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/91d236715160

8231545: Suppress warnings on non-serializable instance fields in jdk.jshell module
Reviewed-by: rfield

! src/jdk.jshell/share/classes/jdk/jshell/ExpressionToTypeInfo.java