Merge "Un-hide Connection-side RTT APIs for Dialer"

diff --cc api/current.txt
Simple merge

diff --cc telecomm/java/android/telecom/Connection.java
index 32035f6,0fc41b7..50c0803
--- 1/telecomm/java/android/telecom/Connection.java
--- 2/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@@ -2649,11 -2635,8 +2639,9 @@@ public abstract class Connection extend
      /**
       * Informs listeners that a currently active RTT session has been terminated by the remote
       * side of the coll.
-      * @hide
       */
-     @TestApi
      public final void sendRttSessionRemotelyTerminated() {
 +        unsetRttProperty();
          mListeners.forEach((l) -> l.onRttSessionRemotelyTerminated(Connection.this));
      }