linux: Add patterns for subpixel test to fonts.conf.
linux: Add patterns for subpixel test to fonts.conf.

This updates our layout test fontconfig settings to define
one font family that explicitly enables subpixel rendering
and one that disables it.  I'm using this in a test for a
change that fixes
https://bugs.webkit.org/show_bug.cgi?id=42220.

BUG=chromium-os:4638
TEST=upcoming

Review URL: http://codereview.chromium.org/2928011

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@52562 0039d316-1c4b-4281-b951-d872f2087c98

timopulkkinen/BubbleFish,nacl-webkit/chrome_deps,junmin-zhu/chromium-rivertrail,patrickm/chromium.src,fujunwei/chromium-crosswalk,robclark/chromium,bright-sparks/chromium-spacewalk,keishi/chromium,krieger-od/nwjs_chromium.src,nacl-webkit/chrome_deps,mogoweb/chromium-crosswalk,timopulkkinen/BubbleFish,mogoweb/chromium-crosswalk,bright-sparks/chromium-spacewalk,pozdnyakov/chromium-crosswalk,dednal/chromium.src,patrickm/chromium.src,nacl-webkit/chrome_deps,TheTypoMaster/chromium-crosswalk,dednal/chromium.src,dushu1203/chromium.src,axinging/chromium-crosswalk,Just-D/chromium-1,ltilve/chromium,jaruba/chromium.src,nacl-webkit/chrome_deps,dushu1203/chromium.src,ChromiumWebApps/chromium,Just-D/chromium-1,rogerwang/chromium,krieger-od/nwjs_chromium.src,Chilledheart/chromium,chuan9/chromium-crosswalk,dednal/chromium.src,robclark/chromium,Fireblend/chromium-crosswalk,junmin-zhu/chromium-rivertrail,hgl888/chromium-crosswalk,timopulkkinen/BubbleFish,Pluto-tv/chromium-crosswalk,jaruba/chromium.src,pozdnyakov/chromium-crosswalk,Chilledheart/chromium,dednal/chromium.src,Jonekee/chromium.src,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,markYoungH/chromium.src,markYoungH/chromium.src,mogoweb/chromium-crosswalk,pozdnyakov/chromium-crosswalk,Just-D/chromium-1,Just-D/chromium-1,jaruba/chromium.src,littlstar/chromium.src,mohamed--abdel-maksoud/chromium.src,hujiajie/pa-chromium,anirudhSK/chromium,hgl888/chromium-crosswalk-efl,jaruba/chromium.src,axinging/chromium-crosswalk,anirudhSK/chromium,TheTypoMaster/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Pluto-tv/chromium-crosswalk,dednal/chromium.src,robclark/chromium,zcbenz/cefode-chromium,chuan9/chromium-crosswalk,ChromiumWebApps/chromium,Just-D/chromium-1,krieger-od/nwjs_chromium.src,mogoweb/chromium-crosswalk,markYoungH/chromium.src,krieger-od/nwjs_chromium.src,ondra-novak/chromium.src,Jonekee/chromium.src,hgl888/chromium-crosswalk,bright-sparks/chromium-spacewalk,patrickm/chromium.src,PeterWangIntel/chromium-crosswalk,mogoweb/chromium-crosswalk,zcbenz/cefode-chromium,mohamed--abdel-maksoud/chromium.src,PeterWangIntel/chromium-crosswalk,timopulkkinen/BubbleFish,rogerwang/chromium,junmin-zhu/chromium-rivertrail,keishi/chromium,ltilve/chromium,dushu1203/chromium.src,anirudhSK/chromium,timopulkkinen/BubbleFish,ltilve/chromium,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,hujiajie/pa-chromium,Jonekee/chromium.src,rogerwang/chromium,PeterWangIntel/chromium-crosswalk,rogerwang/chromium,pozdnyakov/chromium-crosswalk,pozdnyakov/chromium-crosswalk,Jonekee/chromium.src,timopulkkinen/BubbleFish,Jonekee/chromium.src,Fireblend/chromium-crosswalk,Chilledheart/chromium,TheTypoMaster/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,hgl888/chromium-crosswalk-efl,hujiajie/pa-chromium,chuan9/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,M4sse/chromium.src,mohamed--abdel-maksoud/chromium.src,hujiajie/pa-chromium,littlstar/chromium.src,rogerwang/chromium,Jonekee/chromium.src,mohamed--abdel-maksoud/chromium.src,PeterWangIntel/chromium-crosswalk,krieger-od/nwjs_chromium.src,nacl-webkit/chrome_deps,markYoungH/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk-efl,ltilve/chromium,M4sse/chromium.src,keishi/chromium,zcbenz/cefode-chromium,ChromiumWebApps/chromium,dednal/chromium.src,rogerwang/chromium,ltilve/chromium,PeterWangIntel/chromium-crosswalk,M4sse/chromium.src,mohamed--abdel-maksoud/chromium.src,krieger-od/nwjs_chromium.src,Fireblend/chromium-crosswalk,jaruba/chromium.src,chuan9/chromium-crosswalk,patrickm/chromium.src,dushu1203/chromium.src,markYoungH/chromium.src,PeterWangIntel/chromium-crosswalk,timopulkkinen/BubbleFish,anirudhSK/chromium,patrickm/chromium.src,ondra-novak/chromium.src,hujiajie/pa-chromium,dushu1203/chromium.src,Just-D/chromium-1,dushu1203/chromium.src,chuan9/chromium-crosswalk,littlstar/chromium.src,mogoweb/chromium-crosswalk,chuan9/chromium-crosswalk,axinging/chromium-crosswalk,Just-D/chromium-1,ondra-novak/chromium.src,mohamed--abdel-maksoud/chromium.src,ondra-novak/chromium.src,hgl888/chromium-crosswalk,zcbenz/cefode-chromium,mohamed--abdel-maksoud/chromium.src,pozdnyakov/chromium-crosswalk,ondra-novak/chromium.src,M4sse/chromium.src,dushu1203/chromium.src,fujunwei/chromium-crosswalk,Pluto-tv/chromium-crosswalk,zcbenz/cefode-chromium,mogoweb/chromium-crosswalk,robclark/chromium,pozdnyakov/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk,timopulkkinen/BubbleFish,littlstar/chromium.src,keishi/chromium,TheTypoMaster/chromium-crosswalk,dushu1203/chromium.src,keishi/chromium,anirudhSK/chromium,Fireblend/chromium-crosswalk,ChromiumWebApps/chromium,anirudhSK/chromium,keishi/chromium,rogerwang/chromium,zcbenz/cefode-chromium,Chilledheart/chromium,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,axinging/chromium-crosswalk,mogoweb/chromium-crosswalk,krieger-od/nwjs_chromium.src,timopulkkinen/BubbleFish,M4sse/chromium.src,ChromiumWebApps/chromium,M4sse/chromium.src,markYoungH/chromium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