[automerger] RESTRICT AUTOMERGE: WifiServiceImpl: fix and add tethering checks am: de0c1e355d am: 1833210c06 am: 8f6000cabe skipped: 70804d7355 am: 6eceb5d0e9

Change-Id: I999734a7465913cfa13c0b6d24e463ceabac2af4
tree: a7a8592928ae9fc31220f1a3fb96c79694cd9a21
  1. service/