Switch to zip64 in recovery

There's already library support for zip64 in libziparchive. We just need
to start using the new APIs.

Bug: 167951876
Test: Sideload a large ota package in recovery
Change-Id: I652741965f28de079d873c6822317ee9fa855201
diff --git a/tests/unit/package_test.cpp b/tests/unit/package_test.cpp
index 5e31f7f..164a93d 100644
--- a/tests/unit/package_test.cpp
+++ b/tests/unit/package_test.cpp
@@ -106,7 +106,7 @@
 
     // Check that we can extract one zip entry.
     std::string_view entry_name = "dir1/file3.txt";
-    ZipEntry entry;
+    ZipEntry64 entry;
     ASSERT_EQ(0, FindEntry(zip, entry_name, &entry));
 
     std::vector<uint8_t> extracted(entry_name.size());