Merge DicNodeStatePrevWord into DicNoteStateOutput.

Before:
(0)  2232.70 (0.86%)
(1)  255258.50 (98.89%)
(2)  585.73 (0.23%)
(66)  0.26 (0.00%)
Total 258126.46 (sum of others 258077.18)

After:
(0)  2249.23 (0.93%)
(1)  239883.63 (98.83%)
(2)  554.82 (0.23%)
(66)  0.35 (0.00%)
Total 242734.38 (sum of others 242688.04)

Change-Id: I9760cae5b98b3d1f4804b6b60317887eaa3ff71c