tracebox: fix producer socket env variable (PERFETTO_PRODUCER_SOCK_NAME)
tracebox: fix producer socket env variable (PERFETTO_PRODUCER_SOCK_NAME)

Change-Id: I0393a32e5044d0d26883cf4e5c3de30263f38d93
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto