Add method to return Zip file name

Test: m libandroidfw
Bug: 301631861
Change-Id: If6d0ddf6e3465f984209325406cfeaffc44f9d6a
diff --git a/libs/androidfw/ZipFileRO.cpp b/libs/androidfw/ZipFileRO.cpp
index 9d4b426..34a6bc2 100644
--- a/libs/androidfw/ZipFileRO.cpp
+++ b/libs/androidfw/ZipFileRO.cpp
@@ -310,3 +310,7 @@
 
     return true;
 }
+
+const char* ZipFileRO::getZipFileName() {
+    return mFileName;
+}