Fix notification settings bottom sheet scroll in landscape

Fix layout size and configuration listener for landscape orientation.

Test: adb shell cmd notification post "Test notif" &
    adb shell am start -a android.settings.CHANNEL_NOTIFICATION_SETTINGS     --es android.provider.extra.CHANNEL_FILTER_LIST "sound"     --es android.provider.extra.CHANNEL_ID "shell_cmd"     --es android.provider.extra.APP_PACKAGE "com.android.shell
Bug: 238845213
Change-Id: I6c2ba149cddfdf35292b0b6fc92c0d8418a86c54

AndroidManifest.xml

@@ -3408,7 +3408,7 @@
                   android:label="@string/notification_channel_title"
                   android:theme="@style/Theme.Panel"
                   android:excludeFromRecents="true"
-                  android:configChanges="orientation|keyboardHidden|screenSize"
+                  android:configChanges="keyboardHidden|screenSize"
                   android:exported="true">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.CHANNEL_NOTIFICATION_SETTINGS" />

res/layout/notification_channel_panel.xml

@@ -17,6 +17,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/main_content"
     android:layout_height="@dimen/output_switcher_slice_max_height"
+    android:maxHeight="@dimen/output_switcher_slice_max_height"
     android:background="@drawable/settings_panel_background"
     android:orientation="vertical"
     android:layout_width="match_parent">

res/values-land/dimens.xml

@@ -32,4 +32,5 @@
     <dimen name="biometric_auth_pattern_view_size">248dp</dimen>
     <dimen name="biometric_auth_pattern_view_max_size">348dp</dimen>
 
+    <dimen name="output_switcher_slice_max_height">300dp</dimen>
 </resources>