Merge tag 'android-7.1.1_r4' of https://android.googlesource.com/platform/system/netd into n7.1

Android 7.1.1 release 4
tree: 6ff7664c87cc4bb31ce6a72c51affcdc6dd3dad5
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE