Sound screen migration

- Add a flag for sound and vibration migration
- Adding skeleton of sound screen

Bug: 360015496
Test: atest SoundScreenTest
Flag: com.android.settings.flags.catalyst_sound_screen
Change-Id: Id3a51663d3c1203be0046d12b312c5b64dc26683

tests/robotests/src/com/android/settings/notification/SoundScreenTest.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2024 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
+
+import android.content.Context
+import android.platform.test.annotations.DisableFlags
+import android.platform.test.annotations.EnableFlags
+import android.platform.test.flag.junit.SetFlagsRule
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.flags.Flags
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SoundScreenTest {
+    @get:Rule val setFlagsRule = SetFlagsRule()
+    private val context: Context = ApplicationProvider.getApplicationContext()
+    private val soundScreen = SoundScreen()
+
+    @Test
+    fun key() {
+        assertThat(soundScreen.key).isEqualTo(SoundScreen.KEY)
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_CATALYST_SOUND_SCREEN)
+    fun isFlagEnabled_returnTrue() {
+        assertThat(soundScreen.isFlagEnabled(context)).isTrue()
+    }
+
+    @Test
+    @DisableFlags(Flags.FLAG_CATALYST_SOUND_SCREEN)
+    fun isFlagEnabled_returnFalse() {
+        assertThat(soundScreen.isFlagEnabled(context)).isFalse()
+    }
+
+}