adb: switch the socket list mutex to a recursive_mutex. am: 6f641adea5 am: a6b92d1f2e am: 1f8c6c8c8e am: 163802c244  -s ours am: 46468f8cef
am: d4d4edf81b

Change-Id: If4c367868a98a8fc3684edb89f5f43b4be64beb6