Demote missing XTRA iface from Error to Info

On boot, partner use of XTRA interface is optional,
demoting severity of log message.

Bug: 64816395
Test: Device boots with only Info level message
Change-Id: Ib99ab74192ea588a1440301f7d5ddbc0c8c4d9dc
diff --git a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
index b47dbfa..e239a3c 100644
--- a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
+++ b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
@@ -1341,7 +1341,7 @@
 
     sp<IGnssXtraCallback> gnssXtraCbIface = new GnssXtraCallback();
     if (gnssXtraIface == nullptr) {
-        ALOGE("Unable to initialize GNSS Xtra interface\n");
+        ALOGI("Unable to initialize GNSS Xtra interface\n");
     } else {
         result = gnssXtraIface->setCallback(gnssXtraCbIface);
         if (!result.isOk() || !result) {