Add Log.endSession to InCallTonePlayer

Add missing Log.endSession to InCallTonePlayer.

Change-Id: Ied902f538f4d69cf83d178bd0a5606bf7550dc6b
diff --git a/src/com/android/server/telecom/InCallTonePlayer.java b/src/com/android/server/telecom/InCallTonePlayer.java
index ca82673..0b0e78b 100644
--- a/src/com/android/server/telecom/InCallTonePlayer.java
+++ b/src/com/android/server/telecom/InCallTonePlayer.java
@@ -255,6 +255,7 @@
                 toneGenerator.release();
             }
             cleanUpTonePlayer();
+            Log.endSession();
         }
     }