Add LFH offset to verbose list of APK

The Local File Header (LFH) offset is printed in debugging cases when
the platform is inspecting APKs. This adds the LFH offset field to the
list of contents of an APK, so that it can be checked easily against the
Central Directory (CD).

Change-Id: I08f9a13256bfe6563c1a963c4f0289789b2e7857