Upgrade libchromiumcontent for dbus headers

script/lib/config.py

@@ -4,7 +4,7 @@ import platform
 import sys
 
 BASE_URL = 'https://gh-contractor-zcbenz.s3.amazonaws.com/libchromiumcontent'
-LIBCHROMIUMCONTENT_COMMIT = '9f5271d31e0f32eac5a20ef6f543e3f1d43ad645'
+LIBCHROMIUMCONTENT_COMMIT = '56984fa0e4c3c745652510f342c0fb2724d846c2'
 
 ARCH = {
     'cygwin': '32bit',