base: update SetNonBlocking() function to use HANDLE_EINTR

And use it in unix_domain_socket_util.cc.

BUG=None
TEST=ipc_tests
[email protected],[email protected]

Review URL: https://codereview.chromium.org/1570243002

Cr-Commit-Position: refs/heads/master@{#369921}
2 files changed