Expose effective connection type to Cronet

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

Index: components/cronet/android/api/src/org/chromium/net/CronetEngine.java
diff --git a/components/cronet/android/api/src/org/chromium/net/CronetEngine.java b/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
index 221f0029e24bb636b3ef2b3c84855d4cdb5ded0b..663d5f3bec24c3662092e9270c37fdde809b365b 100644
--- a/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
+++ b/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
@@ -963,6 +963,13 @@ public abstract class CronetEngine {
     public abstract byte[] getGlobalMetricsDeltas();
 
     /**
+     * Returns the effective connection type computed by the network quality
+     * estimator.
+     * @hide as it's a prototype.
+     */
+    public abstract int getEffectiveConnectionType();
+
+    /**
      * Configures the network quality estimator for testing. This must be called
      * before round trip time and throughput listeners are added, and after the
      * network quality estimator has been enabled.