Add back the missing @Test annotation

Bug: 258724297
Test: atest GameManagerServiceTests
Merged-In: I79fecd6f0ef5d751ad4fbadb8cb3cc43df8f3bce
Change-Id: I0321cc33439356a9859b1f27599f58bb080a9ce0

services/tests/mockingservicestests/src/com/android/server/app/GameManagerServiceTests.java

@@ -1522,6 +1522,7 @@ public class GameManagerServiceTests {
         gameManagerService.setGameMode(mPackageName, GameManager.GAME_MODE_BATTERY, USER_ID_1);
     }
 
+    @Test
     public void testResetInterventions_onDeviceConfigReset() throws Exception {
         mockModifyGameModeGranted();
         String configStringBefore =