Remove NetUtils from filegroup to avoid duplicate am: 90ed1e67b4 am: dc472d061d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/net/+/15518897

Change-Id: I0ee8d6d9b0ee254caed9b67a69f1d6d5f27aef0e
tree: 5658dc3bc144e48179a9b1b3ea6fe01579168d53
  1. client-libs/
  2. common/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING