android: Honor $TMPDIR when writing CSD script
android: Honor $TMPDIR when writing CSD script

Android doesn't have /tmp, so honor $TMPDIR if the caller sets it to
an alternate location.

Signed-off-by: Kevin Cernekee <3105dbb3dd63fbb4f6371cfb04adc6726f76c56b@gmail.com>
Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

chadcatlett/openconnect,nmav/openconnect-mine,neshema/openconnect,mveplus/openconnect-client,brandt/openconnect,don-johnny/openconnect,lins05/openconnect,chadcatlett/openconnect,liiir1985/openconnect,mveplus/openconnect-client,lins05/openconnect,atyndall/openconnect,atyndall/openconnect,mveplus/openconnect-client,liiir1985/openconnect,neshema/openconnect,mtmiller/openconnect,nmav/openconnect-mine,cernekee/openconnect,mtmiller/openconnect,don-johnny/openconnect,don-johnny/openconnect,neshema/openconnect,brandt/openconnect,matlockx/openconnect,cernekee/openconnect,mveplus/openconnect-client,nmav/openconnect-mine,don-johnny/openconnect,chadcatlett/openconnect,matlockx/openconnect,liiir1985/openconnect,liiir1985/openconnect,neshema/openconnect,atyndall/openconnect,lins05/openconnect,lins05/openconnect,cernekee/openconnect,brandt/openconnect,brandt/openconnect,matlockx/openconnect,nmav/openconnect-mine,mtmiller/openconnect,chadcatlett/openconnect,mtmiller/openconnect,cernekee/openconnect,atyndall/openconnect,matlockx/openconnect