policy_hal: Add Direct PCM flags for track offload

- Direct flag is used to get track offload output

- Non track offload direct output can be return
  due to missing of track offload flag  on output
  request

- Add direct PCM flag while requesting track offload

Change-Id: If19c67fdc522ace73f7d4a201863728b53cef063
diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index 5050e1e..a4a3d04 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -1540,10 +1540,8 @@
         (offloadInfo != NULL) &&
         ((offloadInfo->usage == AUDIO_USAGE_MEDIA ||
         (offloadInfo->usage == AUDIO_USAGE_GAME)))) {
-        if ((flags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) {
-            ALOGD("AudioCustomHAL --> Force Direct Flag ..");
-            flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
-        }
+         ALOGD("AudioCustomHAL --> Force Direct Flag ..");
+         flags = (audio_output_flags_t)(AUDIO_OUTPUT_FLAG_DIRECT_PCM | AUDIO_OUTPUT_FLAG_DIRECT);
     }
 
     // only allow deep buffering for music stream type