FQName/FqInstance: consistent getVersion

Bug: 76108617
Test: libhidl-gen-utils_test
Change-Id: I2647f35eca424e6ce9146a44d6dcbbbf35dd5e4f
diff --git a/utils/FqInstance.cpp b/utils/FqInstance.cpp
index 8b39fdd..c0793f7 100644
--- a/utils/FqInstance.cpp
+++ b/utils/FqInstance.cpp
@@ -39,7 +39,7 @@
 }
 
 std::pair<size_t, size_t> FqInstance::getVersion() const {
-    return {getMajorVersion(), getMinorVersion()};
+    return mFqName.getVersion();
 }
 
 bool FqInstance::hasVersion() const {