hal: fix direct output flag test in open_output_stream

- Multi channel HDMI PCM output should be used if
  AUDIO_OUTPUT_FLAG_DIRECT is set and
  AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD is not set.

Change-Id: I9d967488717b3bf49578f7cdb56a55deda0ce379
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 254bbfd..d7ffbe3 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -2336,7 +2336,8 @@
     out->handle = handle;
 
     /* Init use case and pcm_config */
-    if ((out->flags == AUDIO_OUTPUT_FLAG_DIRECT) &&
+    if ((out->flags & AUDIO_OUTPUT_FLAG_DIRECT) &&
+        !(out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
         (
 #ifdef AFE_PROXY_ENABLED
         out->devices & AUDIO_DEVICE_OUT_PROXY ||