Update Android.bp with getdomainname

Change-Id: I32383162acd16430089708fdce8927be43d1bc5a
diff --git a/libc/Android.bp b/libc/Android.bp
index ca8a4d5..8ec2b92 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1279,6 +1279,7 @@
         "bionic/ftruncate.cpp",
         "bionic/futimens.cpp",
         "bionic/getcwd.cpp",
+        "bionic/getdomainname.cpp",
         "bionic/gethostname.cpp",
         "bionic/getpgrp.cpp",
         "bionic/getpid.cpp",