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

Change-Id: I2e790caa4c84dcd5c7d465e512ca3c1d3b878482