netd: Add support for attaching/detaching PPP daemons

Signed-off-by: San Mehat <san@google.com>
diff --git a/Android.mk b/Android.mk
index 910c819..678a5b9 100644
--- a/Android.mk
+++ b/Android.mk
@@ -17,7 +17,8 @@
                   NetlinkHandler.cpp                   \
                   logwrapper.c                         \
                   TetherController.cpp                 \
-                  NatController.cpp
+                  NatController.cpp                    \
+                  PppController.cpp
 
 LOCAL_MODULE:= netd