Export libtextclassifier to Android

Test: atest android.view.textclassifier.TextClassificationManagerTest

Change-Id: Id7a31dc60c8f6625ff8f2a9c85689e13b121a5a4
diff --git a/annotator/datetime/parser_test.cc b/annotator/datetime/parser_test.cc
index efe7306..d46accf 100644
--- a/annotator/datetime/parser_test.cc
+++ b/annotator/datetime/parser_test.cc
@@ -34,7 +34,7 @@
 namespace {
 
 std::string GetModelPath() {
-  return LIBTEXTCLASSIFIER_TEST_DATA_DIR;
+  return TC3_TEST_DATA_DIR;
 }
 
 std::string ReadFile(const std::string& file_name) {