[automerger skipped] Merge "Add a log message if enabling Ethernet tethering if it is already enabled." into rvc-dev am: 6f3e64a5 am: 8aa89842 -s ours am: 61251dc7 -s ours am: 756af755 -s ours

am skip reason: Change-Id I68123e6dd04ccae5da2ecd7526c11d9f835d1d57 with SHA-1 2688e9f2 is in history

Change-Id: Idabb714b5ae7ca5a524ae536068e337e2705c459