Revert "C2SoftDav1dDec: Replace memcpy with dav1d_data_wrap"

This reverts commit 6c41740d.

Reason: Current implementation doesn't utilitize frame parallel
multi-threading effectively. Hence reverting to memcpy for now.
This will be revisited once frame parallel multi-threading is
enabled.

Bug: 286852962
Test: Builds
(cherry picked from https://android-review.googlesource.com/q/commit:166dffc09491ef0da8a41aaf77f4e2cf71d12103)
Merged-In: I296fd6d533a40d6de8a7f287c9187a91554f7d7d
Change-Id: I296fd6d533a40d6de8a7f287c9187a91554f7d7d