Merge "Check for null executor" into qt-r1-dev

am: 2f952a8462

Change-Id: Ia7b6761ddfdd41abcb2b3239ef71326ff7864dcd

telephony/java/android/telephony/TelephonyManager.java

@@ -10922,6 +10922,9 @@ public class TelephonyManager {
         try {
             IOns iOpportunisticNetworkService = getIOns();
             if (iOpportunisticNetworkService == null || availableNetworks == null) {
+                if (executor == null || callback == null) {
+                    return;
+                }
                 Binder.withCleanCallingIdentity(() -> executor.execute(() -> {
                     callback.accept(UPDATE_AVAILABLE_NETWORKS_INVALID_ARGUMENTS);
                 }));