Modify AIDLs to include Session.Info

Modifies the IConnectionService.aidl file to include Session.Info
information to pass from Telecom to Telephony, which is used to start
external Sessions in Telephony from Telecom.

Test: Manual testing and Unit Tests pass
Bug: 26571395
Change-Id: Ia09a0abfa13d5167542d4c67465ea9aa1930b58b
diff --git a/telecomm/java/android/telecom/Log.java b/telecomm/java/android/telecom/Log.java
index 1e5769f..446bbbb 100644
--- a/telecomm/java/android/telecom/Log.java
+++ b/telecomm/java/android/telecom/Log.java
@@ -184,6 +184,10 @@
         getSessionManager().startSession(shortMethodName, null);
     }
 
+    public static void startSession(Session.Info info, String shortMethodName) {
+        getSessionManager().startSession(info, shortMethodName, null);
+    }
+
     public static void startSession(String shortMethodName, String callerIdentification) {
         getSessionManager().startSession(shortMethodName, callerIdentification);
     }
@@ -193,14 +197,14 @@
         getSessionManager().startSession(info, shortMethodName, callerIdentification);
     }
 
-    public static void startExternalSession(Session.Info sessionInfo, String shortMethodName) {
-        getSessionManager().startExternalSession(sessionInfo, shortMethodName);
-    }
-
     public static Session createSubsession() {
         return getSessionManager().createSubsession();
     }
 
+    public static Session.Info getExternalSession() {
+        return getSessionManager().getExternalSession();
+    }
+
     public static void cancelSubsession(Session subsession) {
         getSessionManager().cancelSubsession(subsession);
     }