hal: Fix warnings in audio HAL and policy

Enable Wall and Werror and fix warnings in
HAL and policy manager

CRs-Fixed: 962049

Change-Id: Ie93c8f933943875ac68e8318d777602ed864f531
diff --git a/hal/audio_extn/dolby.c b/hal/audio_extn/dolby.c
index c8bf543..115057c 100644
--- a/hal/audio_extn/dolby.c
+++ b/hal/audio_extn/dolby.c
@@ -655,7 +655,8 @@
     ds2extnmod.dap_hal_set_hw_info(SND_CARD, (void*)(&snd_card));
     ALOGV("%s Sound card number is:%d",__func__,snd_card);
 
-    platform_get_device_to_be_id_map(&device_be_id_map.device_id_to_be_id, &device_be_id_map.len);
+    platform_get_device_to_be_id_map((int**)&device_be_id_map.device_id_to_be_id,
+            &device_be_id_map.len);
     ds2extnmod.dap_hal_set_hw_info(DEVICE_BE_ID_MAP, (void*)(&device_be_id_map));
     ALOGV("%s Set be id map len:%d",__func__,device_be_id_map.len);
     ret = 0;
@@ -771,8 +772,9 @@
     if (ds2extnmod.dap_hal_set_hw_info) {
         ds2extnmod.dap_hal_set_hw_info(DMID, (void*)(&dolby_license.dmid));
     } else {
-        ALOGV("%s: dap_hal_set_hw_info is NULL", __func__);
+        ALOGE("%s: dap_hal_set_hw_info is NULL", __func__);
     }
+    return;
 }