Add Java binding for new getStats implementation.

webrtc/sdk/android/api/org/webrtc/RTCStatsReport.java

Index: webrtc/sdk/android/api/org/webrtc/RTCStatsReport.java
diff --git a/webrtc/sdk/android/api/org/webrtc/RTCStatsReport.java b/webrtc/sdk/android/api/org/webrtc/RTCStatsReport.java
new file mode 100644
index 0000000000000000000000000000000000000000..a60d8e32504f639bd8d70d0ae8e6145081959954
--- /dev/null
+++ b/webrtc/sdk/android/api/org/webrtc/RTCStatsReport.java
@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.util.SortedMap;
+
+/** Java version of webrtc::RTCStatsReport. */
+public class RTCStatsReport {
+  private final long timestamp_us;
+  private final SortedMap<String, RTCStats> stats;
+
+  public RTCStatsReport(long timestamp_us, SortedMap<String, RTCStats> stats) {
+    this.timestamp_us = timestamp_us;

[hbos, 2017/04/10 10:19:42]

nit: timestampUs

[Taylor Brandstetter, 2017/04/10 23:59:33]

Done (at least my mistake was consistent...)

[hbos, 2017/04/11 09:36:13]

:)

+    this.stats = stats;
+  }
+
+  // Timestamp in nanoseconds.
+  public double timestamp_us() {
+    return timestamp_us;
+  }
+
+  // Map of stats object IDs to stats objects. Can be used to easily look up
+  // other stats objects, when they refer to each other by ID.
+  public SortedMap<String, RTCStats> stats() {
+    return stats;
+  }
+
+  public String toString() {
+    StringBuilder builder = new StringBuilder();
+    builder.append("{ timestamp_us: ").append(timestamp_us).append(", stats: [\n");
+    boolean first = true;
+    for (RTCStats stat : stats.values()) {
+      if (!first) {
+        builder.append(",\n");
+      }
+      builder.append(stat.toString());

[hbos, 2017/04/10 10:19:42]

nit: append(stat)

[Taylor Brandstetter, 2017/04/10 23:59:33]

Done.

+      first = false;
+    }
+    builder.append(" ] }");
+    return builder.toString();
+  }
+}