DO NOT MERGE:Add missing SOCK_CLOEXEC flag when opening socket am: a7ba9ff00b am: 4f3df4e131 am: ccfb7619f4  -s ours am: 3bd49af10b  -s ours am: af7dbf4d7a
am: b01cb2a926  -s ours

Change-Id: Ida16d9953d40010ebdd68d5a6b8a01199556e78c