Add ro.hdmi.cec.source.set_menu_language.enabled context

Add ro.hdmi.cec.source.set_menu_language.enabled to hdmi_config_prop.

Test: make; flash
Bug: 158527048
diff --git a/private/property_contexts b/private/property_contexts
index 2397150..3d02e97 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -365,11 +365,12 @@
 
 persist.radio.multisim.config u:object_r:radio_control_prop:s0 exact string
 
-persist.sys.hdmi.keep_awake              u:object_r:hdmi_config_prop:s0 exact bool
-ro.hdmi.cec_device_types                 u:object_r:hdmi_config_prop:s0 exact string
-ro.hdmi.device_type                      u:object_r:hdmi_config_prop:s0 exact string
-ro.hdmi.wake_on_hotplug                  u:object_r:hdmi_config_prop:s0 exact bool
-ro.hdmi.cec.source.send_standby_on_sleep u:object_r:hdmi_config_prop:s0 exact enum to_tv broadcast none
+persist.sys.hdmi.keep_awake                  u:object_r:hdmi_config_prop:s0 exact bool
+ro.hdmi.cec_device_types                     u:object_r:hdmi_config_prop:s0 exact string
+ro.hdmi.device_type                          u:object_r:hdmi_config_prop:s0 exact string
+ro.hdmi.cec.source.set_menu_language.enabled u:object_r:hdmi_config_prop:s0 exact bool
+ro.hdmi.wake_on_hotplug                      u:object_r:hdmi_config_prop:s0 exact bool
+ro.hdmi.cec.source.send_standby_on_sleep     u:object_r:hdmi_config_prop:s0 exact enum to_tv broadcast none
 
 pm.dexopt.ab-ota                        u:object_r:exported_pm_prop:s0 exact string
 pm.dexopt.bg-dexopt                     u:object_r:exported_pm_prop:s0 exact string