Fix the NullPointerException in ContentProtectionTogglePreferenceController.
Bug: 310658123

Change-Id: I249a76ff1f432cb76269b1ac2cc3fe26e86b2bae
diff --git a/src/com/android/settings/security/ContentProtectionTogglePreferenceController.java b/src/com/android/settings/security/ContentProtectionTogglePreferenceController.java
index b656093..c874a5e 100644
--- a/src/com/android/settings/security/ContentProtectionTogglePreferenceController.java
+++ b/src/com/android/settings/security/ContentProtectionTogglePreferenceController.java
@@ -62,7 +62,6 @@
 
     @Override
     public boolean setChecked(boolean isChecked) {
-        mSwitchBar.setChecked(isChecked);
         Settings.Global.putInt(
                 mContentResolver, KEY_CONTENT_PROTECTION_PREFERENCE, isChecked ? 1 : -1);
         return true;