Measure traffic from outbounds

With v2ray-core 4.26.0, traffic can be measured from outbounds.
Stats is shown separately for proxy and direct traffic.

In the future, it is possible to add stats for each server node and
even historic usage graph.

AndroidLibV2rayLite/interact.go

@@ -119,7 +119,7 @@ func (v V2RayPoint) QueryStats(tag string, direct string) int64 {
 	if v.statsManager == nil {
 		return 0
 	}
-	counter := v.statsManager.GetCounter(fmt.Sprintf("inbound>>>%s>>>traffic>>>%s", tag, direct))
+	counter := v.statsManager.GetCounter(fmt.Sprintf("outbound>>>%s>>>traffic>>>%s", tag, direct))
 	if counter == nil {
 		return 0
 	}