hg: jdk10/client/jdk: 8186317: Cache font layout tables for use by harfbuzz

[philip.race at oracle.com]

Changeset: 66539c09c053
Author:    prr
Date:      2017-08-28 11:53 -0700
URL:       http://hg.openjdk.java.net/jdk10/client/jdk/rev/66539c09c053

8186317: Cache font layout tables for use by harfbuzz
Reviewed-by: srl, pnarayanan

! src/java.desktop/share/classes/sun/font/SunLayoutEngine.java
! src/java.desktop/share/native/common/font/fontscalerdefs.h
! src/java.desktop/share/native/libfontmanager/HBShaper.c
! src/java.desktop/share/native/libfontmanager/hb-jdk-font.cc
! src/java.desktop/share/native/libfontmanager/hb-jdk.h
! src/java.desktop/share/native/libfontmanager/sunFont.c