Fix 1 ErrorProneStyle finding:

* Non-standard parameter comment; prefer `/* paramName= */ arg`
  (see http://go/bugpattern/ParameterComment)

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#codehealth

Tested:
    Local presubmit tests passed.
PiperOrigin-RevId: 472252461

extensions/cronet/src/test/java/com/google/android/exoplayer2/ext/cronet/CronetDataSourceTest.java

@@ -145,7 +145,7 @@ public void setUp() {
     testResponseHeader.put("Content-Type", TEST_CONTENT_TYPE);
     // This value can be anything since the DataSpec is unset.
     testResponseHeader.put("Content-Length", Long.toString(TEST_CONTENT_LENGTH));
-    testUrlResponseInfo = createUrlResponseInfo(200); // statusCode
+    testUrlResponseInfo = createUrlResponseInfo(/* statusCode= */ 200);
   }
 
   @After