Merge "clatd: drop system real uid/gid in favour of clat" into main am: cb8033b8fb am: bfc2512e16

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3548305

Change-Id: I4974502b763a652d2799cefc01436ae708325a59
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>