git: openjdk/mobile: 8223697: jfr tool can't format duration values greater than 1 minute

[duke]

Changeset: 01067584
Author:    Chihiro Ito <cito at openjdk.org>
Date:      2019-10-22 23:55:33 +0000
URL:       https://git.openjdk.java.net/mobile/commit/01067584

8223697: jfr tool can't format duration values greater than 1 minute

Reviewed-by: egahlin

! src/jdk.jfr/share/classes/jdk/jfr/internal/tool/PrettyWriter.java