ART: Hide system/core/libziparchive headers

Hide the headers so we do not need to re-export them (which is
tricky as we're linking libziparchive statically for the target).

Bug: 37342627
Test: m
Test: m test-art-host
Change-Id: Ieee6b7c5b0c1d971e634161931d9129928be4f42
diff --git a/runtime/zip_archive.cc b/runtime/zip_archive.cc
index df1012e..f3d4d77 100644
--- a/runtime/zip_archive.cc
+++ b/runtime/zip_archive.cc
@@ -25,6 +25,8 @@
 #include <vector>
 
 #include "android-base/stringprintf.h"
+#include "ziparchive/zip_archive.h"
+
 #include "base/bit_utils.h"
 #include "base/unix_file/fd_file.h"