Util: Consolidate dup BandwidthEstimator interfaces

apps/streaming/java/src/net/i2p/client/streaming/impl/BandwidthEstimator.java

@@ -1,20 +0,0 @@
-package net.i2p.client.streaming.impl;
-
-/**
- *  A Westwood bandwidth estimator
- *
- *  @since 0.9.46
- */
-interface BandwidthEstimator {
-
-    /**
-     * Records an arriving ack.
-     * @param acked how many packets were acked with this ack
-     */
-    public void addSample(int acked);
-
-    /**
-     * @return the current bandwidth estimate in packets/ms.
-     */
-    public float getBandwidthEstimate();
-}

apps/streaming/java/src/net/i2p/client/streaming/impl/Connection.java

@@ -17,6 +17,7 @@ import net.i2p.client.streaming.I2PSocketException;
 import net.i2p.data.DataHelper;
 import net.i2p.data.Destination;
 import net.i2p.data.SigningPublicKey;
+import net.i2p.util.BandwidthEstimator;
 import net.i2p.util.Log;
 import net.i2p.util.SimpleTimer;
 import net.i2p.util.SimpleTimer2;

apps/streaming/java/src/net/i2p/client/streaming/impl/SimpleBandwidthEstimator.java

@@ -2,6 +2,7 @@ package net.i2p.client.streaming.impl;
 
 import net.i2p.I2PAppContext;
 import net.i2p.data.DataHelper;
+import net.i2p.util.BandwidthEstimator;
 import net.i2p.util.Log;
 
 /**