perfetto-cmd: Save/Load state using protozero

Change-Id: I4d686fdb8b0a3290c6126afb751bc639ea537283
diff --git a/BUILD b/BUILD
index 30d9281..db7385c 100644
--- a/BUILD
+++ b/BUILD
@@ -2315,7 +2315,7 @@
 )
 
 # GN target: //src/perfetto_cmd:protos
-perfetto_cc_proto_library(
+perfetto_cc_protocpp_library(
     name = "src_perfetto_cmd_protos",
     deps = [
         ":src_perfetto_cmd_protos_protos",