Move bpf project to system/bpf

The bpf project now have a new project directory in system/bpf instead
of inside netd. The network related bpf library is renamed to
libnetdbpf. Fix the dependency issue in framework to make sure no
regression.

Test: -m CtsNetTestCases -t android.net.cts.TrafficStatsTest
Bug: 112334572
Change-Id: Ibd477bf17d18d516aa520fb1569f4a395ef9abf0
diff --git a/core/jni/Android.bp b/core/jni/Android.bp
index 08c9678..d1a7d70 100644
--- a/core/jni/Android.bp
+++ b/core/jni/Android.bp
@@ -233,6 +233,7 @@
 
     shared_libs: [
         "libbpf",
+        "libnetdbpf",
         "libnetdutils",
         "libmemtrack",
         "libandroidfw",