Nullcheck device profile when re-granting on package change

Test: presubmit
Fixes: 176250389
Change-Id: I9c4e071b12335fdfc1177ab60e03002ae2704cc3

services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java

@@ -867,20 +867,22 @@ public class CompanionDeviceManagerService extends SystemService implements Bind
     }
 
     private void grantDeviceProfile(Association association) {
-        mRoleManager.addRoleHolderAsUser(
-                association.getDeviceProfile(),
-                association.getPackageName(),
-                RoleManager.MANAGE_HOLDERS_FLAG_DONT_KILL_APP,
-                UserHandle.of(association.getUserId()),
-                getContext().getMainExecutor(),
-                success -> {
-                    if (!success) {
-                        Log.e(LOG_TAG, "Failed to grant device profile role "
-                                + association.getDeviceProfile()
-                                + " to " + association.getPackageName()
-                                + " for user " + association.getUserId());
-                    }
-                });
+        if (association.getDeviceProfile() != null) {
+            mRoleManager.addRoleHolderAsUser(
+                    association.getDeviceProfile(),
+                    association.getPackageName(),
+                    RoleManager.MANAGE_HOLDERS_FLAG_DONT_KILL_APP,
+                    UserHandle.of(association.getUserId()),
+                    getContext().getMainExecutor(),
+                    success -> {
+                        if (!success) {
+                            Log.e(LOG_TAG, "Failed to grant device profile role "
+                                    + association.getDeviceProfile()
+                                    + " to " + association.getPackageName()
+                                    + " for user " + association.getUserId());
+                        }
+                    });
+        }
     }
 
     void onDeviceDisconnected(String address) {