bpfmap: Move to Common Location

Move bpfmap to frameworks/libs/net/common/native.

Bug: 179733303
Change-Id: Id08b216ec6a64968d66d7990f91ea7ce222a1154
diff --git a/Tethering/jni/onload.cpp b/Tethering/jni/onload.cpp
index 02e602d..fbae615 100644
--- a/Tethering/jni/onload.cpp
+++ b/Tethering/jni/onload.cpp
@@ -23,7 +23,7 @@
 namespace android {
 
 int register_android_net_util_TetheringUtils(JNIEnv* env);
-int register_com_android_networkstack_tethering_BpfMap(JNIEnv* env);
+int register_com_android_net_module_util_BpfMap(JNIEnv* env, char const* class_name);
 int register_com_android_networkstack_tethering_BpfCoordinator(JNIEnv* env);
 int register_com_android_networkstack_tethering_BpfUtils(JNIEnv* env);
 
@@ -36,7 +36,8 @@
 
     if (register_android_net_util_TetheringUtils(env) < 0) return JNI_ERR;
 
-    if (register_com_android_networkstack_tethering_BpfMap(env) < 0) return JNI_ERR;
+    if (register_com_android_net_module_util_BpfMap(env,
+            "com/android/networkstack/tethering/util/BpfMap") < 0) return JNI_ERR;
 
     if (register_com_android_networkstack_tethering_BpfCoordinator(env) < 0) return JNI_ERR;