Add video decoder exception class

This will be used in common video renderer and decoder classes.

PiperOrigin-RevId: 261287124

extensions/vp9/src/main/java/com/google/android/exoplayer2/ext/vp9/VpxDecoderException.java

@@ -15,8 +15,10 @@
  */
 package com.google.android.exoplayer2.ext.vp9;
 
+import com.google.android.exoplayer2.video.VideoDecoderException;
+
 /** Thrown when a libvpx decoder error occurs. */
-public final class VpxDecoderException extends Exception {
+public final class VpxDecoderException extends VideoDecoderException {
 
   /* package */ VpxDecoderException(String message) {
     super(message);

library/core/src/main/java/com/google/android/exoplayer2/video/VideoDecoderException.java

+/*
+ * Copyright (C) 2019 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.
+ */
+package com.google.android.exoplayer2.video;
+
+/** Thrown when a video decoder error occurs. */
+public class VideoDecoderException extends Exception {
+
+  /**
+   * Creates an instance with the given message.
+   *
+   * @param message The detail message for this exception.
+   */
+  public VideoDecoderException(String message) {
+    super(message);
+  }
+
+  /**
+   * Creates an instance with the given message and cause.
+   *
+   * @param message The detail message for this exception.
+   * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method).
+   *     A <tt>null</tt> value is permitted, and indicates that the cause is nonexistent or unknown.
+   */
+  public VideoDecoderException(String message, Throwable cause) {
+    super(message, cause);
+  }
+}