message: Remove lambda expressions which are not supported in Java 7.
  We'll revisit the decision to support Java 7 when we have more data
  on how many users are still running this version.
  ORIGINAL_AUTHOR=Thai Duong
  GitOrigin-RevId:
diff: @@ -730,7 +730,11 @@ public class AesGcmHkdfStreamingTest {
  PipedOutputStream output = new PipedOutputStream();
  PipedInputStream result = new PipedInputStream(output);
  WritableByteChannel ciphertext = Channels.newChannel(output);
  - new Thread(() -> encryptChannel(ags, plaintext, ciphertext, aad, chunkSize)).start();
  + new Thread(new Runnable() {
  + public void run() {
  + encryptChannel(ags, plaintext, ciphertext, aad, chunkSize);
  + }
  + }).start();
  return Channels.newChannel(result);
  }
  