Wrong values are shown in inputpicker
It has some problem with conversion from string to double.
Even, some values are omitted while conversion.
We need to change for solving this problem.
1. Change mechanism of date conversion.
2. Change to "String" which type of date parameter from renderer.
Together with: If769a0500f0a58f6b4457bf4bc62c107ead4486f
BUG: http://168.219.209.56/jira/browse/TNEF-531
Reviewed by: Hyunhak Kim, Jaesik Chang, Piotr Grad
Change-Id: I12ea9fdee6dad8e505e6c4df852f5609f30e7659
Signed-off-by: Dongjun Kim <djmix.kim@samsung.com>