Merge "Avoid reading XML file when it doesn't exist." into sc-dev am: 1ef8f5338d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13713620

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id7374f0144f038480d1fc91ab4d8cd5f937af311

services/core/java/com/android/server/app/GameManagerSettings.java

@@ -137,6 +137,11 @@ public class GameManagerSettings {
     boolean readPersistentDataLocked() {
         mGameModes.clear();
 
+        if (!mSettingsFile.exists()) {
+            Slog.v(GameManagerService.TAG, "Settings file doesn't exists, skip reading");
+            return false;
+        }
+
         try {
             final FileInputStream str = mSettingsFile.openRead();