hal: Update prefixes for audio system properties

Vendor created android system properties are required to have
vendor/qti prefix. Update vendor specific audio system
properties used in HAL.

CRs-Fixed: 2034869
Change-Id: Ibdb1d12fedee1ce12073e8b90fdec814318f3acf
diff --git a/hal/audio_extn/a2dp.c b/hal/audio_extn/a2dp.c
index 1ffa968..cc53277 100644
--- a/hal/audio_extn/a2dp.c
+++ b/hal/audio_extn/a2dp.c
@@ -251,10 +251,10 @@
 {
     char value[PROPERTY_VALUE_MAX] = {'\0'};
 
-    property_get("persist.bt.a2dp_offload_cap", value, "false");
+    property_get("persist.vendor.bt.a2dp_offload_cap", value, "false");
     ALOGD("get_offload_codec_capabilities = %s",value);
     a2dp.is_a2dp_offload_supported =
-            property_get_bool("persist.bt.a2dp_offload_cap", false);
+            property_get_bool("persist.vendor.bt.a2dp_offload_cap", false);
     if (strcmp(value, "false") != 0)
         a2dp_offload_codec_cap_parser(value);
     ALOGD("%s: codec cap = %s",__func__,value);
@@ -883,7 +883,7 @@
     char value[PROPERTY_VALUE_MAX];
 
     memset(value, '\0', sizeof(char)*PROPERTY_VALUE_MAX);
-    avsync_runtime_prop = property_get("audio.a2dp.codec.latency", value, NULL);
+    avsync_runtime_prop = property_get("vendor.audio.a2dp.codec.latency", value, NULL);
     if (avsync_runtime_prop > 0) {
         if (sscanf(value, "%d/%d/%d/%d",
                   &sbc_offset, &aptx_offset, &aptxhd_offset, &aac_offset) != 4) {