Merge "HealthServiceWrapperAidl fix NPE" am: aa3c079d2a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2115401

Change-Id: Ie8523768e133b01d0cde229f09b5a4c6a5582cba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/core/java/com/android/server/health/HealthServiceWrapperAidl.java b/services/core/java/com/android/server/health/HealthServiceWrapperAidl.java
index 4f2ed68..c411319 100644
--- a/services/core/java/com/android/server/health/HealthServiceWrapperAidl.java
+++ b/services/core/java/com/android/server/health/HealthServiceWrapperAidl.java
@@ -208,7 +208,9 @@
                                 if (Objects.equals(newBinder, oldBinder)) return;
 
                                 Slog.i(TAG, "New health AIDL HAL service registered");
-                                mRegCallback.onRegistration(oldService, newService);
+                                if (mRegCallback != null) {
+                                    mRegCallback.onRegistration(oldService, newService);
+                                }
                             });
         }
     }