Apply load+resize cache to validation pipelines

[goodsong81]

Summary

[Changes]

• Applied LoadResizeDataFromOTXDataset to validation pipeline to optimize efficiency & memory usage
  (Separated from test pipeline)
• Fixed minor issue: re-enable AdaptClassLabel op

[Results]

Task	Dataset	Model	Branch	Cache usage	E2E time
Classification	CUB_200_2011_64 (<500x500)	EFFb0 (224x224)	develop	(org 35M) 9M	10.03
			opt/load-resize-cache-val	1M	9.05
Detection	peanut (1920x1080)	YOLOX (640x640)	develop	(org 168M) 64M	32.05
			opt/load-resize-cache-val	18M	32.19
Instance seg	wgisd (2048x1365)	MRCNN-EFFb0 (1042x1024)	develop	(org 942M) 271M	298.92
			opt/load-resize-cache-val	22M	237.91
Semantic seg	kvasir_seg/100 (500x500 ~ 1Kx1K)	LiteHRNet_s_mod2 (512x512)	develop	(org 95M) 30M	37.64
			opt/load-resize-cache-val	22M	36.75

[!] org cache usage: caching original decoded image

How to test

• Integration test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added e2e tests for validation.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[eunwoosh]

LGTM, but I have a minor question. Why isn't it applied to test pipeline?

[sungmanc]

LGTM, but I have a minor question. Why isn't it applied to test pipeline?

IMO, we call val_data at every epoch, however, only call test_data at once. so, don't need to cache the data