Merge "Proper API hierarchy between MODULE_LIBS and PRIV_APPS system APIs" am: df5d88796b am: e39fdf0a5f am: aefd8b4e25

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1360884

Change-Id: I3362be72460c8830569b7dda470d581b176ea28a
tree: 7d19264fdaa3e5a5d95f4b7b0cf2ce9a31ea1d09
  1. Tethering/