hg: jdk/sandbox: JDK-8246436-branch: Improve reading from metadata.bin

[erik.gahlin at oracle.com]

Changeset: 9a9a18de8154
Author:    egahlin
Date:      2020-06-08 01:30 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9a9a18de8154

JDK-8246436-branch: Improve reading from metadata.bin

! make/hotspot/gensrc/GensrcJfr.gmk
! make/modules/jdk.jfr/Copy.gmk
! make/src/classes/build/tools/jfr/GenerateJfrFiles.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/MetadataLoader.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/Type.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/TypeLibrary.java