hg: jdk/jdk: 8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording

[calvin.cheung at oracle.com]

Changeset: b1b5306fadea
Author:    ccheung
Date:      2018-06-27 14:46 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/b1b5306fadea

8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
Summary: disable JFR and output a warning message during CDS dump time if JFR is enabled.
Reviewed-by: jiangli, lfoltan

! src/hotspot/share/jfr/recorder/jfrRecorder.cpp
! src/hotspot/share/jfr/recorder/service/jfrOptionSet.cpp
! test/hotspot/jtreg/runtime/appcds/CDSandJFR.java