Initialize an uninitialized enum. am: df55a29ab0

Original change: https://android-review.googlesource.com/c/platform/hardware/google/av/+/1412032

Change-Id: Ibd3f9fde7dd8598f4681be28e0654dbbdc3e10ee
diff --git a/codec2/tests/C2UtilTest.cpp b/codec2/tests/C2UtilTest.cpp
index 59cd313..2d66df1 100644
--- a/codec2/tests/C2UtilTest.cpp
+++ b/codec2/tests/C2UtilTest.cpp
@@ -78,7 +78,7 @@
       { "value2", Enum3Value2 },
       { "value4", Enum3Value4 },
       { "invalid", Invalid } });
-    Enum3 e3;
+    Enum3 e3(Invalid);
     C2FieldDescriptor::namedValuesFor(e3);
 
     // upper case