[AVDA] Use InMilliseconds with presentation_timestamp

media/gpu/android_video_decode_accelerator.h

Index: media/gpu/android_video_decode_accelerator.h
diff --git a/media/gpu/android_video_decode_accelerator.h b/media/gpu/android_video_decode_accelerator.h
index ac799e107890c2051b0160bbaa3e6d1519e311b1..0ed3d6c574895a8efee709998893a47b76c54eb4 100644
--- a/media/gpu/android_video_decode_accelerator.h
+++ b/media/gpu/android_video_decode_accelerator.h
@@ -421,7 +421,7 @@ class MEDIA_GPU_EXPORT AndroidVideoDecodeAccelerator
   // buffers that have been submitted to the decoder but haven't yet produced an
   // output frame with the same timestamp. Note: there will only be one entry
   // for multiple bitstream buffers that have the same presentation timestamp.
-  std::map<base::TimeDelta, int32_t> bitstream_buffers_in_decoder_;
+  std::map<int64_t, int32_t> bitstream_buffers_in_decoder_;
 
   // Keeps track of bitstream ids notified to the client with
   // NotifyEndOfBitstreamBuffer() before getting output from the bitstream.