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/zip_test.cpp b/tests/unit/zip_test.cpp
index ec9585c..e065bb8 100644
--- a/tests/unit/zip_test.cpp
+++ b/tests/unit/zip_test.cpp
@@ -37,7 +37,7 @@
   ASSERT_EQ(0, OpenArchiveFromMemory(map.addr, map.length, zip_path.c_str(), &handle));
 
   static constexpr const char* BINARY_PATH = "META-INF/com/google/android/update-binary";
-  ZipEntry binary_entry;
+  ZipEntry64 binary_entry;
   // Make sure the package opens correctly and its entry can be read.
   ASSERT_EQ(0, FindEntry(handle, BINARY_PATH, &binary_entry));