hg: jdk/jdk: 8241638: launcher time metrics always report 1 on Linux when _JAVA_LAUNCHER_DEBUG set

[henry.jen at oracle.com]

Changeset: 3f8d03880bf5
Author:    henryjen
Date:      2020-04-07 03:25 +0000
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/3f8d03880bf5

8241638: launcher time metrics always report 1 on Linux when _JAVA_LAUNCHER_DEBUG set
Reviewed-by: alanb, dholmes
Contributed-by: linzang at tencent.com

! make/launcher/LauncherCommon.gmk
! src/java.base/macosx/native/libjli/java_md_macosx.m
! src/java.base/share/native/libjli/java.c
! src/java.base/unix/native/libjli/java_md_solinux.c
! src/java.base/unix/native/libjli/java_md_solinux.h