Revert of Download doclava when building for Android and use to build cronet Javadocs

components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java

Index: components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java
diff --git a/components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java b/components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java
index cd04f6ebfcca635cbaba2f0d9888c2aae6c7d383..b1fe24d8167c0c4ada3f968059868230bafb3197 100644
--- a/components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java
+++ b/components/cronet/android/api/src/org/chromium/net/NetworkQualityRttListener.java
@@ -9,8 +9,9 @@
  * various layers of the network stack. These include RTT estimates by QUIC
  * and TCP, as well as the time between when a URL request is sent and when
  * the first byte of the response is received.
- * {@hide} as it's a prototype.
+ * @deprecated not really deprecated but hidden for now as it's a prototype.
  */
+@SuppressWarnings("DepAnn")
 public interface NetworkQualityRttListener {
     /**
      * Reports a new round trip time observation.
@@ -19,4 +20,4 @@
      * @param source the observation source from {@link NetworkQualityObservationSource}.
      */
     public void onRttObservation(int rttMs, long whenMs, int source);
-}
+}