Track libziparchive API change.

Bug: http://b/129068177
Test: treehugger
Change-Id: Ie5b2b0cff087f2e9e65a4e77c187e3173357f3ad

tests/unit/zip_test.cpp

@@ -37,10 +37,9 @@ TEST(ZipTest, OpenFromMemory) {
   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";
-  ZipString binary_path(BINARY_PATH);
   ZipEntry binary_entry;
   // Make sure the package opens correctly and its entry can be read.
-  ASSERT_EQ(0, FindEntry(handle, binary_path, &binary_entry));
+  ASSERT_EQ(0, FindEntry(handle, BINARY_PATH, &binary_entry));
 
   TemporaryFile tmp_binary;
   ASSERT_NE(-1, tmp_binary.fd);