[mediaplayer] Require hardware decoder.

TEST: fx run_test_component mediaplayer_tests
Change-Id: Id3479c835be273db55a308969bddbe1ca1f931f4
diff --git a/bin/mediaplayer/fidl/fidl_decoder_factory.cc b/bin/mediaplayer/fidl/fidl_decoder_factory.cc
index 0300e3a..d779e58 100644
--- a/bin/mediaplayer/fidl/fidl_decoder_factory.cc
+++ b/bin/mediaplayer/fidl/fidl_decoder_factory.cc
@@ -43,6 +43,7 @@
   fuchsia::mediacodec::CreateDecoder_Params decoder_params;
   decoder_params.input_details = fidl::Clone(*format_details);
   decoder_params.promise_separate_access_units_on_input = true;
+  decoder_params.require_hw = true;
 
   fuchsia::mediacodec::CodecPtr decoder;
   codec_factory_->CreateDecoder(std::move(decoder_params),