[Dataset] Change and apply callback handler

[Dataset] Change and apply callback handler

This patch change and apply callback handler from batchwise ->
samplewise

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>