Merge "Release ICloseHandle instance after announcement listener is unregistered" into rvc-qpr-dev am: 4d94bc86f8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12829536

Change-Id: I93025320cb01f3e69f15019f9b5ef93458f47519

services/core/java/com/android/server/broadcastradio/hal2/RadioModule.java

@@ -392,6 +392,7 @@ class RadioModule {
                 } catch (RemoteException ex) {
                     Slog.e(TAG, "Failed closing announcement listener", ex);
                 }
+                hwCloseHandle.value = null;
             }
         };
     }