Add "Your work policy info" entry in Privacy settings

Bug: 132904820
Test: manual
Change-Id: Id706d450c3ad6a6a8c1e402d39d18e048cdb6519

src/com/android/settings/privacy/WorkPolicyInfoPreferenceController.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.privacy;
+
+import android.content.Context;
+import android.text.TextUtils;
+
+import androidx.annotation.NonNull;
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.enterprise.EnterprisePrivacyFeatureProvider;
+import com.android.settings.overlay.FeatureFactory;
+
+public class WorkPolicyInfoPreferenceController extends BasePreferenceController {
+
+    private final @NonNull EnterprisePrivacyFeatureProvider mEnterpriseProvider;
+
+    public WorkPolicyInfoPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mEnterpriseProvider =
+                FeatureFactory.getFactory(context).getEnterprisePrivacyFeatureProvider(context);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mEnterpriseProvider.hasWorkPolicyInfo()
+                ? AVAILABLE_UNSEARCHABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(getPreferenceKey(), preference.getKey())) {
+            mEnterpriseProvider.showWorkPolicyInfo();
+            return true;
+        }
+        return false;
+    }
+}