Fix adb mode naming check for device config

Test: N/A
Bug: 131773907
Change-Id: I5e30c75eed3b87c96196ebbd3e1aae92e0bb5f7c
diff --git a/host/libs/config/cuttlefish_config.cpp b/host/libs/config/cuttlefish_config.cpp
index ab723c8..dceb94e 100644
--- a/host/libs/config/cuttlefish_config.cpp
+++ b/host/libs/config/cuttlefish_config.cpp
@@ -618,7 +618,7 @@
   // TODO(schuffelen): Deal with duplication between here and launch.cc
   bool tunnelMode = adb_mode().count("tunnel") > 0;
   bool vsockTunnel = adb_mode().count("vsock_tunnel") > 0;
-  bool vsockHalfProxy = adb_mode().count("vsock_half_proxy") > 0;
+  bool vsockHalfProxy = adb_mode().count("vsock_half_tunnel") > 0;
   bool nativeVsock = adb_mode().count("native_vsock") > 0;
   if (tunnelMode || vsockTunnel || vsockHalfProxy || nativeVsock) {
     return adb_ip_and_port();