Put the final output of dev_debug_vboot under /var/log/

utility/dev_debug_vboot

Index: utility/dev_debug_vboot
diff --git a/utility/dev_debug_vboot b/utility/dev_debug_vboot
index b86aafbd1b3df2c9c2cd0b58c33f9dcafc4ce1d6..c098251010fd5049b61555bd92cf9bcd29886377 100755
--- a/utility/dev_debug_vboot
+++ b/utility/dev_debug_vboot
@@ -14,9 +14,7 @@ PATH=/bin:/sbin:/usr/bin:/usr/sbin
 
 TMPDIR=$(mktemp -d /tmp/debug_vboot_XXXXXXXXX)
 LOGFILE=noisy.log
-# The public file must live directly in /tmp, not in a subdirectory.
-# See http://crosbug.com/8947
-PUBLOGFILE=/tmp/debug_vboot_noisy.log
+PUBLOGFILE=/var/log/debug_vboot_noisy.log
 
 # TODO(wfrichar): Need to support ARM. The hard disk path is likely different.
 # We can use 'crossystem arch' to distinguish between x86 and ARM.
@@ -24,8 +22,7 @@ HD=/dev/sda
 
 cleanup() {
   if [ -z "${USE_EXISTING:-}" ]; then
-    # See http://crosbug.com/8947
-    cp --no-target-directory --remove-destination "${LOGFILE}" "${PUBLOGFILE}"
+    cp -f "${LOGFILE}" "${PUBLOGFILE}"
     info "exporting log file as ${PUBLOGFILE}"
   fi
   if [ -n "${CLEANUP:-}" ]; then