Add a permission check to a stubbed method

Although the method is stubbed, it should probably enforce permissions.

Bug: 175011741
Test: build only
Change-Id: I2fb8312149b8ed780fa7350817acb1337a1ef9de

services/core/java/com/android/server/timedetector/TimeDetectorService.java

@@ -136,6 +136,7 @@ public final class TimeDetectorService extends ITimeDetectorService.Stub {
 
     @Override
     public boolean updateConfiguration(TimeConfiguration timeConfiguration) {
+        enforceManageTimeDetectorPermission();
         // TODO(b/172891783) Add actual logic
         return false;
     }