Revert "Update TrackSelectionDialogBuilder to use androidx compat Dialog."

This reverts commit b05e9944.

RELEASENOTES.md

@@ -33,8 +33,6 @@
     *   Fix `DefaultTimeBar` to respect touch transformations
         ([#7303](https://github.com/google/ExoPlayer/issues/7303)).
     *   Add `showScrubber` and `hideScrubber` methods to `DefaultTimeBar`.
-    *   Update `TrackSelectionDialogBuilder` to use AndroidX Compat Dialog
-        ([#7357](https://github.com/google/ExoPlayer/issues/7357)).
 *   Text:
     *   Use anti-aliasing and bitmap filtering when displaying bitmap
         subtitles.

library/ui/build.gradle

@@ -40,7 +40,6 @@ dependencies {
     implementation project(modulePrefix + 'library-core')
     api 'androidx.media:media:' + androidxMediaVersion
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
-    implementation 'androidx.appcompat:appcompat:' + androidxAppCompatVersion
     compileOnly 'org.checkerframework:checker-qual:' + checkerframeworkVersion
     testImplementation project(modulePrefix + 'testutils')
     testImplementation 'org.robolectric:robolectric:' + robolectricVersion

library/ui/src/main/java/com/google/android/exoplayer2/ui/TrackSelectionDialogBuilder.java

@@ -15,12 +15,12 @@
  */
 package com.google.android.exoplayer2.ui;
 
+import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector.SelectionOverride;