Don't duplicate interfaces in iftable

Mirroring AOSP Change Idb4a13ca
https://android-review.googlesource.com//#/c/30900/

Change-Id: I5d5a7b2993f8a9b2d96cb3e80c1d47d3b994c1ae
1 file changed
tree: 13702b538f5ee819273c2e56a59aaac7b9476303
  1. Android.mk
  2. build/
  3. jdwpspy/
  4. src/
  5. test/
  6. tools/