Revert "[res] Optimize few functions for dtoh() as a noop"

Revert submission 31021037

Reason for revert: Droidmonitor created revert due to b/388342212. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:31021037

Change-Id: Ibd9504f9ea147e3849a5df4b924c44f9880c69c2