[gnome-control-center] meson: Bump libhandy to 0.0.8

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 19e42fb0518456a593f3110a6267a41a28e36b71
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Feb 16 08:36:12 2019 +0100

    meson: Bump libhandy to 0.0.8
    
    This fixes the RTL direction support of HdyLeaflet.

 meson.build          | 2 +-
 subprojects/libhandy | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index bc8e20855..a7a674528 100644
--- a/meson.build
+++ b/meson.build
@@ -96,7 +96,7 @@ libgvc = subproject(
 )
 libgvc_dep = libgvc.get_variable('libgvc_dep')
 
-libhandy_dep = dependency('libhandy-0.0', version: '>= 0.0.7', required: false)
+libhandy_dep = dependency('libhandy-0.0', version: '>= 0.0.8', required: false)
 if not libhandy_dep.found()
   libhandy = subproject(
     'libhandy',
diff --git a/subprojects/libhandy b/subprojects/libhandy
index 607152c2d..3721b490b 160000
--- a/subprojects/libhandy
+++ b/subprojects/libhandy
@@ -1 +1 @@
-Subproject commit 607152c2d1abd3270ba8896dbb823bc2b7534c19
+Subproject commit 3721b490b6aacd0a8c755bf445b0a91ee9c347bc