git: openjdk/mobile: 8231546: Suppress warnings on non-serializable instance fields in java.prefs module

[duke]

Changeset: b03fbff8
Author:    Joe Darcy <darcy at openjdk.org>
Date:      2019-09-26 12:13:57 +0000
URL:       https://github.com/openjdk/mobile/commit/b03fbff8

8231546: Suppress warnings on non-serializable instance fields in java.prefs module

Reviewed-by: rriggs

! src/java.prefs/share/classes/java/util/prefs/NodeChangeEvent.java