The Glean SDK reserves all ping names in
send_in_pings starting with
This currently includes, but is not limited to:
glean_client_info: metrics sent with this ping are added to every ping in its
glean_internal_info: metrics sent with this ping are added to every ping in its
Additionally, only Glean may specify
all-pings. This special value has no effect in the client, but indicates to the backend infrastructure that a metric may appear in any ping.