Use PackageManager.FEATURE_CONTROLS to decide availability

Using this features, some of the Preference in Power Menu Settings can
change their availability and their summary.

Test: Robotest Settings
Fixes: 157244528
Change-Id: I704438dda181aa6347c3f168ac5ef6bd16148993

src/com/android/settings/gestures/DeviceControlsPreferenceController.java

@@ -17,6 +17,7 @@
 package com.android.settings.gestures;
 
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.provider.Settings;
 import android.text.TextUtils;
 
@@ -37,7 +38,9 @@ public class DeviceControlsPreferenceController extends GesturePreferenceControl
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE;
+        boolean available = mContext.getPackageManager().hasSystemFeature(
+                PackageManager.FEATURE_CONTROLS);
+        return available ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
     }
 
     @Override