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 am: 6a40db71f7
am: fc6c0a3480  -s ours

Change-Id: I91ba5ba03496f35d95c7913e33abde27e090c814