Remove LegacyPlayerView from media3

Apps should migrate to PlayerView (called StyledPlayerView in
exoplayer2) before migrating from exoplayer2 to media3.

PiperOrigin-RevId: 427222944

libraries/ui/src/main/res/values/attrs_legacy_player_view.xml

-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 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.
--->
-<resources>
-
-  <declare-styleable name="LegacyPlayerView">
-    <attr name="use_artwork"/>
-    <attr name="shutter_background_color"/>
-    <attr name="default_artwork"/>
-    <attr name="use_controller"/>
-    <attr name="hide_on_touch"/>
-    <attr name="hide_during_ads"/>
-    <attr name="auto_show"/>
-    <attr name="show_buffering"/>
-    <attr name="keep_content_on_player_reset"/>
-    <attr name="player_layout_id"/>
-    <attr name="surface_type"/>
-    <!-- AspectRatioFrameLayout attributes -->
-    <attr name="resize_mode"/>
-    <!-- LegacyPlayerControlView attributes -->
-    <attr name="show_timeout"/>
-    <attr name="repeat_toggle_modes"/>
-    <attr name="show_shuffle_button"/>
-    <attr name="time_bar_min_update_interval"/>
-    <attr name="controller_layout_id"/>
-    <!-- DefaultTimeBar attributes -->
-    <attr name="bar_height"/>
-    <attr name="touch_target_height"/>
-    <attr name="ad_marker_width"/>
-    <attr name="scrubber_enabled_size"/>
-    <attr name="scrubber_disabled_size"/>
-    <attr name="scrubber_dragged_size"/>
-    <attr name="scrubber_drawable"/>
-    <attr name="played_color"/>
-    <attr name="scrubber_color"/>
-    <attr name="buffered_color" />
-    <attr name="unplayed_color"/>
-    <attr name="ad_marker_color"/>
-    <attr name="played_ad_marker_color"/>
-  </declare-styleable>
-
-</resources>