Bug 69523. Add content DLLs to xpinstall package lists. a=leaf

xpinstall/packager/packages-mac

@@ -76,6 +76,8 @@ viewer:Components:caps.xpt
 viewer:Components:chardet.shlb 
 viewer:Components:ChomeRegistry.shlb 
 viewer:Components:chrome.xpt
+viewer:Components:content.shlb
+viewer:Components:content.xpt
 viewer:Components:Cookie.shlb 
 viewer:Components:appcomps.shlb 
 viewer:Components:Directory.xpt 

xpinstall/packager/packages-unix

@@ -103,6 +103,7 @@ bin/components/liboji.so
 bin/components/libpsmglue.so
 bin/components/libpref.so
 bin/components/libprofile.so
+bin/components/libgkcontent.so
 bin/components/libgklayout.so
 bin/components/libgkplugin.so
 bin/components/libhtmlpars.so

xpinstall/packager/packages-win

@@ -82,7 +82,8 @@ bin\components\editor.xpt
 bin\components\editor.dll
 bin\components\evntloop.dll
 bin\components\gfx.xpt
-bin\components\gkhtml.dll
+bin\components\gkcontent.dll
+bin\components\gklayout.dll
 bin\components\gkparser.dll
 bin\components\gkplugin.dll
 bin\components\gkview.dll