Merge "Re-Revert "Enable tethering namespace accessible in Android native...

Merge "Re-Revert "Enable tethering namespace accessible in Android native level."" am: 66f740be am: 7f6c154a am: 438800a1 am: 305e0917

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2529640



Change-Id: I0c8201dba2e99a060f1717354ac82e982446618f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>