message: Increment mozc version to 2.23 for Gboard Japanese.
  REF_BUG=67224814
  REF_CL=171803137
  REF_TIME=2017-10-11T19:55:20+09:00
  REF_TIME_RAW=1507719320 +0900
diff: # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  MAJOR=2
  -MINOR=22
  -BUILD=2736
  +MINOR=23
  +BUILD=2737
  REVISION=102
  # This version represents the version of Mozc IME engine (converter, predictor,
  # etc.). This version info is included both in the Mozc server and in the Mozc
  