[automerger skipped] Merge "Revert "Enable tethering namespace accessible in Android native level."" am: 5a38134dbc -s ours am: fdc89e9d80 -s ours am: fb1d774b27 -s ours

am skip reason: Merged-In If840c79001134d2003cb6f0e03d38b4b4055fb54 with SHA-1 2c9d35b5b3 is already in history. Merged-In was found from reverted change.

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2382973

Change-Id: I30b1e4bc641d42342e63fdb9b9c9f1f7499c1cc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>