use android.app.AlertDialog instead of android.support.v7.app.AlertDialog

Author: debugly

android/ijkplayer/ijkplayer-example/src/main/java/tv/danmaku/ijk/media/example/widget/media/IjkVideoView.java

@@ -25,8 +25,8 @@
 import android.media.MediaPlayer;
 import android.net.Uri;
 import android.os.Build;
-import android.support.v7.app.AlertDialog;
 import androidx.annotation.NonNull;
+import android.app.AlertDialog;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

android/ijkplayer/ijkplayer-example/src/main/java/tv/danmaku/ijk/media/example/widget/media/TableLayoutBinder.java

@@ -18,7 +18,7 @@
 package tv.danmaku.ijk.media.example.widget.media;
 
 import android.content.Context;
-import android.support.v7.app.AlertDialog;
+import android.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;