DO NOT MERGE:Add missing SOCK_CLOEXEC flag when opening socket am: bef09aaf9e  -s ours am: b1fada1564 am: 466a521607  -s ours am: ea11f5547c
am: f93261010a

Change-Id: I51dc0dc135259b0264a8defb763e4b19e7d4eecf