[mobile] Export lazy connection environment variables for mobile clients (#5310)

* [client] Export lazy connection env vars

Both for Android and iOS

* [client] Separate comments

Author: doromaraujo

client/android/env_list.go

@@ -1,10 +1,19 @@
 package android
 
-import "github.com/netbirdio/netbird/client/internal/peer"
+import (
+	"github.com/netbirdio/netbird/client/internal/lazyconn"
+	"github.com/netbirdio/netbird/client/internal/peer"
+)
 
 var (
-	// EnvKeyNBForceRelay Exported for Android java client
+	// EnvKeyNBForceRelay Exported for Android java client to force relay connections
 	EnvKeyNBForceRelay = peer.EnvKeyNBForceRelay
+
+	// EnvKeyNBLazyConn Exported for Android java client to configure lazy connection
+	EnvKeyNBLazyConn = lazyconn.EnvEnableLazyConn
+
+	// EnvKeyNBInactivityThreshold Exported for Android java client to configure connection inactivity threshold
+	EnvKeyNBInactivityThreshold = lazyconn.EnvInactivityThreshold
 )
 
 // EnvList wraps a Go map for export to Java

client/ios/NetBirdSDK/env_list.go

@@ -2,7 +2,10 @@
 
 package NetBirdSDK
 
-import "github.com/netbirdio/netbird/client/internal/peer"
+import (
+	"github.com/netbirdio/netbird/client/internal/lazyconn"
+	"github.com/netbirdio/netbird/client/internal/peer"
+)
 
 // EnvList is an exported struct to be bound by gomobile
 type EnvList struct {
@@ -32,3 +35,13 @@ func (el *EnvList) AllItems() map[string]string {
 func GetEnvKeyNBForceRelay() string {
 	return peer.EnvKeyNBForceRelay
 }
+
+// GetEnvKeyNBLazyConn Exports the environment variable for the iOS client
+func GetEnvKeyNBLazyConn() string {
+	return lazyconn.EnvEnableLazyConn
+}
+
+// GetEnvKeyNBInactivityThreshold Exports the environment variable for the iOS client
+func GetEnvKeyNBInactivityThreshold() string {
+	return lazyconn.EnvInactivityThreshold
+}