[SP28.2] Add shims to allow test utils built against different SDKs am: ccd68dc9c9 am: ec3c6f19f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1654918

Change-Id: I7eb841a359da0600d2bb950eadbc490edd524afa
tree: 14afbcaf7891bda1b23d5ba12489bb8bf32b5b94
  1. staticlibs/