hg: jdk/jdk: 8226779: [TESTBUG] Test JFR API from Java agent

[mikhailo.seledtsov at oracle.com]

Changeset: d6a422987d86
Author:    mseledtsov
Date:      2019-08-22 10:35 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/d6a422987d86

8226779: [TESTBUG] Test JFR API from Java agent
Summary: Created new tests for JFR plus Java Agent
Reviewed-by: egahlin

+ test/jdk/jdk/jfr/javaagent/EventEmitterAgent.java
+ test/jdk/jdk/jfr/javaagent/JavaAgentBuilder.java
+ test/jdk/jdk/jfr/javaagent/TestLoadedAgent.java
+ test/jdk/jdk/jfr/javaagent/TestPremainAgent.java