Reorganize notification Settings classes

The notification package was getting too big.

Test: make -j64 RunSettingsRoboTests
Fixes: 145224451
Change-Id: I25ba82f42f7a137d8adcce72dcf8089d0e018bdc

src/com/android/settings/notification/zen/AbstractZenCustomRulePreferenceController.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2018 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.notification.zen;
+
+import android.app.AutomaticZenRule;
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+abstract class AbstractZenCustomRulePreferenceController extends
+        AbstractZenModePreferenceController implements PreferenceControllerMixin {
+
+    String mId;
+    AutomaticZenRule mRule;
+
+    AbstractZenCustomRulePreferenceController(Context context, String key,
+            Lifecycle lifecycle) {
+        super(context, key, lifecycle);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        if (mId != null) {
+            mRule = mBackend.getAutomaticZenRule(mId);
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mRule != null;
+    }
+
+    public void onResume(AutomaticZenRule rule, String id) {
+        mId = id;
+        mRule = rule;
+    }
+
+    Bundle createBundle() {
+        Bundle bundle = new Bundle();
+        bundle.putString(ZenCustomRuleSettings.RULE_ID, mId);
+        return bundle;
+    }
+}