hg: jdk/sandbox: 8239794: Move -Os from JVM feature 'minimal' to new feature 'opt-size'

[chris.hegarty at oracle.com]

Changeset: 4f902f017def
Author:    ihse
Date:      2020-02-25 09:46 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/4f902f017def

8239794: Move -Os from JVM feature 'minimal' to new feature 'opt-size'
Reviewed-by: erikj, dholmes

! make/autoconf/jvm-features.m4
! make/hotspot/lib/JvmFeatures.gmk