Browsing Amharic translation

UNUSED: () OR (chromeos) OR (enable_print_preview) == False
note: "Generic 'Default' experiment choice option name. E.G. shown in multi value options in about:flags."
note: 'In settings Internet options, a string specifying to use the default certificates.'
note: "Name of the value for cros-regions file handling mode for 'default' mode."
note: 'Option that specifies the page be printed with default margins.'
note: 'System default audio device (microphone or loudspeaker). This is typically presented to users in a drop-down list of device choices.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT
in: results/cr/chrome/app/generated_resources.grd, as IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT