Revert "Make idiomatic use of ApkAssets and AssetManager"

This reverts commit e70b57a659e4486d07f30ebe3b067715b53f1378.

Reason for revert: b/72482083

Bug: 72482083
Change-Id: I36b0aff6d533d7fb59d367a1cd4e96e03df5f462
7 files changed