Add top appbar to the settings page

Bug: 376687304
Test: Manually
Change-Id: Idc5fa61fc4a0984bdf105894f093d6936796596d
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsActivity.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsActivity.kt
index dccfea3..03768e9 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsActivity.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsActivity.kt
@@ -20,12 +20,17 @@
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 
+import com.google.android.material.appbar.MaterialToolbar
+
 class SettingsActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.settings_activity)
 
+        val toolbar: MaterialToolbar = findViewById(R.id.settings_toolbar)
+        setSupportActionBar(toolbar)
+        supportActionBar?.title = resources.getString(R.string.action_settings)
         val settingsItems = arrayOf(
             SettingsItem(
                 resources.getString(R.string.settings_disk_resize_title),
diff --git a/android/TerminalApp/res/layout/settings_activity.xml b/android/TerminalApp/res/layout/settings_activity.xml
index 4fc6229..3ec2617 100644
--- a/android/TerminalApp/res/layout/settings_activity.xml
+++ b/android/TerminalApp/res/layout/settings_activity.xml
@@ -1,10 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:fitsSystemWindows="true">
 
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/settings_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        app:layout_constraintTop_toTopOf="parent"/>
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/settings_list_recycler_view"
         android:layout_marginHorizontal="16dp"