Fix non-updated constructor usage

Fix a constructor usage that tried to use an array instead of a list.

library/core/src/test/java/com/google/android/exoplayer2/metadata/MetadataRendererTest.java

@@ -107,7 +107,7 @@ public class MetadataRendererTest {
     assertThat(metadata).hasSize(1);
     assertThat(metadata.get(0).length()).isEqualTo(1);
     TextInformationFrame expectedId3Frame =
-        new TextInformationFrame("TXXX", "Test description", new String[] { "Test value" });
+        new TextInformationFrame("TXXX", "Test description", Collections.singletonList("Test value"));
     assertThat(metadata.get(0).get(0)).isEqualTo(expectedId3Frame);
   }