media: add undocumented exceptions to MediaCodec api.

Change-Id: Ibfbb136134573aa3ee696a7d853678f4444bbbfd
diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index a7f33fa..fd7fca6 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -540,6 +540,8 @@
      * or the flags are not set properly
      * (e.g. missing {@link #CONFIGURE_FLAG_ENCODE} for an encoder).
      * @throws IllegalStateException if not in the Initialized state.
+     * @throws CryptoException upon DRM error.
+     * @throws CodecException upon codec error.
      */
     public void configure(
             MediaFormat format,