fix 'adb shell'

fcntl uses FD_CLOEXEC not O_CLOEXEC

Test: adb shell now works on cuttlefish
Bug: 144313654
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I5dbac5a46cbc9d24f8622076a3a553028ba648db
1 file changed