Merge "Re-Revert "Enable tethering namespace accessible in Android native level."" am: 66f740be

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



Change-Id: Ibcee577c871a173aebc80206131999e8a7aba387
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>