New hearing device pairing page (1/2)

Rewrite a new hearing device pairing page with update UI for "See more
devices".

Bug: 307473972
Test: atest HearingDevicePairingFragmentTest
Test: flip the flag com.android.settings.flags.new_hearing_device_pairing_page && atest HearingAidPairingDialogFragmentTest AddDevicePreferenceControllerTest
Change-Id: Ic60601905e3d0d7d7c5b1ef9733652118a211f1d

src/com/android/settings/accessibility/ArrowPreference.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2023 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.accessibility;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+
+import com.android.settings.R;
+
+/**
+ * A settings preference with colored rounded rectangle background and an arrow icon on the right
+ */
+public class ArrowPreference extends Preference {
+
+    public ArrowPreference(@NonNull Context context) {
+        this(context, null);
+    }
+
+    public ArrowPreference(@NonNull Context context, @Nullable AttributeSet attrs) {
+        this(context, attrs, TypedArrayUtils.getAttr(context,
+                androidx.preference.R.attr.preferenceStyle,
+                android.R.attr.preferenceStyle));
+    }
+
+    public ArrowPreference(@NonNull Context context, @Nullable AttributeSet attrs,
+            int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public ArrowPreference(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr,
+            int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init();
+    }
+
+    private void init() {
+        setLayoutResource(R.layout.arrow_preference);
+    }
+}