Adjust visibility to avoid build breaks. am: 83863bbaad am: 0f54c047c7

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1482959

Change-Id: I9405e054f904de30cbdc2bf11e7363b01c8e9897
tree: a3da8a22f77f98697cb92e2d63230386147b1e23
  1. staticlibs/