Add logging available fps ranges to Camera2Session.

webrtc/api/android/java/src/org/webrtc/Camera2Session.java

Index: webrtc/api/android/java/src/org/webrtc/Camera2Session.java
diff --git a/webrtc/api/android/java/src/org/webrtc/Camera2Session.java b/webrtc/api/android/java/src/org/webrtc/Camera2Session.java
index f03bcaaed3e05c994049414dd8f6eeab7ae34b68..5000ec64f42172bee1bae4dd1900e8f8c2d15e33 100644
--- a/webrtc/api/android/java/src/org/webrtc/Camera2Session.java
+++ b/webrtc/api/android/java/src/org/webrtc/Camera2Session.java
@@ -296,6 +296,7 @@ public class Camera2Session implements CameraSession {
     List<CaptureFormat.FramerateRange> framerateRanges =
         Camera2Enumerator.convertFramerates(fpsRanges, fpsUnitFactor);
     List<Size> sizes = Camera2Enumerator.getSupportedSizes(cameraCharacteristics);
+    Logging.d(TAG, "Available fps ranges: " + framerateRanges);
 
     if (framerateRanges.isEmpty() || sizes.isEmpty()) {
       reportError("No supported capture formats.");