[automerger skipped] Merge "Add a log message if enabling Ethernet tethering...

[automerger skipped] Merge "Add a log message if enabling Ethernet tethering if it is already enabled." into rvc-dev am: 6f3e64a5 am: 8aa89842 am: 665d53ea am: b08db120 -s ours

am skip reason: Change-Id I68123e6dd04ccae5da2ecd7526c11d9f835d1d57 with SHA-1 191a03c2 is in history

Change-Id: I8c1189c7adf125681cbc412cdd07a4b793650a49