Add 'cbcs' encryption scheme support in Android media.

media/base/android/media_decoder_job.cc

Index: media/base/android/media_decoder_job.cc
diff --git a/media/base/android/media_decoder_job.cc b/media/base/android/media_decoder_job.cc
index 8b1ccc4ad1f0359979df14436406fc3b4e25ebe9..f0663e0722cfe1f1fa75f93625cf16b134e571f8 100644
--- a/media/base/android/media_decoder_job.cc
+++ b/media/base/android/media_decoder_job.cc
@@ -11,6 +11,7 @@
 #include "base/trace_event/trace_event.h"
 #include "media/base/android/media_drm_bridge.h"
 #include "media/base/bind_to_current_loop.h"
+#include "media/base/media_util.h"
 #include "media/base/timestamp_constants.h"
 
 namespace media {
@@ -284,7 +285,7 @@ MediaCodecStatus MediaDecoderJob::QueueInputBuffer(const AccessUnit& unit) {
   MediaCodecStatus status = media_codec_bridge_->QueueSecureInputBuffer(
       input_buf_index, &unit.data[0], unit.data.size(), unit.key_id, unit.iv,
       unit.subsamples.empty() ? NULL : &unit.subsamples[0],
-      unit.subsamples.size(), unit.timestamp);
+      unit.subsamples.size(), AesCtrEncryptionScheme(), unit.timestamp);
 
   // In case of MEDIA_CODEC_NO_KEY, we must reuse the |input_buf_index_|.
   // Otherwise MediaDrm will report errors.