zip_archive: reject files that don't start with an LFH signature.

Bug: 64211847
Test: zip_archive_test

(cherry picked from commit c1a56dcab711a7ee238c0af865920ca51b1408a6)

Merged-In: I275e7c4da05ceeb20401b560c72294f29ef63642
Change-Id: Ib89f0def696206ff427be27764c158fab88e4b5d
(cherry picked from commit 9dced1626219d47c75a9d37156ed7baeef8f6403)
2 files changed