Merge "Ensure create/destroy is called properly for Capability Exchange API" into tm-dev am: 82c131e385 am: 9f7ece6ee5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18298852

Change-Id: I52ba1c01d19c9a37a46fdb176af01399f5d91483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

telephony/java/android/telephony/ims/feature/RcsFeature.java

@@ -118,8 +118,10 @@ public class RcsFeature extends ImsFeature {
         @Override
         public void setCapabilityExchangeEventListener(
                 @Nullable ICapabilityExchangeEventListener listener) throws RemoteException {
-            CapabilityExchangeEventListener listenerWrapper =
-                    new CapabilityExchangeAidlWrapper(listener);
+            // Set the listener wrapper to null if the listener passed in is null. This will notify
+            // the RcsFeature to trigger the destruction of active capability exchange interface.
+            CapabilityExchangeEventListener listenerWrapper = listener != null
+                    ? new CapabilityExchangeAidlWrapper(listener) : null;
             executeMethodAsync(() -> mReference.setCapabilityExchangeEventListener(listenerWrapper),
                     "setCapabilityExchangeEventListener");
         }