only register jni for ClatCoordinator on T+

(Clat was mainlined in Android T)

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ic30b89c809adc95606795bdd9309169559070c89
diff --git a/service/jni/onload.cpp b/service/jni/onload.cpp
index 3d15d43..4bbaae6 100644
--- a/service/jni/onload.cpp
+++ b/service/jni/onload.cpp
@@ -22,8 +22,8 @@
 namespace android {
 
 int register_com_android_server_TestNetworkService(JNIEnv* env);
-int register_com_android_server_connectivity_ClatCoordinator(JNIEnv* env);
 int register_com_android_server_BpfNetMaps(JNIEnv* env);
+int register_com_android_server_connectivity_ClatCoordinator(JNIEnv* env);
 int register_android_server_net_NetworkStatsFactory(JNIEnv* env);
 int register_android_server_net_NetworkStatsService(JNIEnv* env);
 
@@ -38,15 +38,15 @@
         return JNI_ERR;
     }
 
-    if (register_com_android_server_connectivity_ClatCoordinator(env) < 0) {
-        return JNI_ERR;
-    }
-
     if (register_com_android_server_BpfNetMaps(env) < 0) {
         return JNI_ERR;
     }
 
     if (android::modules::sdklevel::IsAtLeastT()) {
+        if (register_com_android_server_connectivity_ClatCoordinator(env) < 0) {
+            return JNI_ERR;
+        }
+
         if (register_android_server_net_NetworkStatsFactory(env) < 0) {
             return JNI_ERR;
         }