cplay: use new offload sample rate representation.

Pass directly the sample rate value to struct snd_codec
instead of the ALSA enum.

Bug: 17398311.
Change-Id: Ic65f79759a623136fed8fd755bae39cee3550550
diff --git a/cplay.c b/cplay.c
index 10c5424..c46577a 100644
--- a/cplay.c
+++ b/cplay.c
@@ -226,7 +226,7 @@
 	codec.id = SND_AUDIOCODEC_MP3;
 	codec.ch_in = channels;
 	codec.ch_out = channels;
-	codec.sample_rate = compress_get_alsa_rate(rate);
+	codec.sample_rate = rate;
 	if (!codec.sample_rate) {
 		fprintf(stderr, "invalid sample rate %d\n", rate);
 		fclose(file);