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 am: 9df391f156 am: ab177b77f7 am: acdde34428 am: c706c7ffcc
am: 5a97ef91d8

Change-Id: I613ef805bc6d4a59f05b89032490fb90c2c2bab7