Add missed break

Bug: none
Test: atest FrameworksNetTests
Change-Id: I8e8d0223de50c75732b06b053b3e60ccf4ef1684
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index a81860d..b31adac 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -4769,6 +4769,7 @@
                             (Pair<ProfileNetworkPreferences.Preference, IOnCompleteListener>)
                                     msg.obj;
                     handleSetProfileNetworkPreference(arg.first, arg.second);
+                    break;
                 }
                 case EVENT_REPORT_NETWORK_ACTIVITY:
                     mNetworkActivityTracker.handleReportNetworkActivity();