Merge "Fix the potential DOS issue for the Settings Apps page" into udc-dev

import android.content.pm.ResolveInfo;

import android.os.Bundle;

import android.provider.Settings;

import android.text.TextUtils;

import android.util.Log;

import androidx.annotation.VisibleForTesting;

import androidx.appcompat.app.AlertDialog;

public class UsageAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener,

        OnPreferenceClickListener {

    private static final String TAG = UsageAccessDetails.class.getSimpleName();

    private static final String KEY_APP_OPS_PREFERENCE_SCREEN = "app_ops_preference_screen";

    private static final String KEY_APP_OPS_SETTINGS_SWITCH = "app_ops_settings_switch";

    private static final String KEY_APP_OPS_SETTINGS_DESC = "app_ops_settings_description";

        super.onCreate(savedInstanceState);

        Context context = getActivity();

        if (TextUtils.equals(mPackageName, context.getPackageName())) {

            Log.w(TAG, "Unsupported app package.");

            finish();

        }

        mUsageBridge = new AppStateUsageBridge(context, mState, null);

        mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);

        mDpm = context.getSystemService(DevicePolicyManager.class);