Add better logging for network scan denials

When we deny a network scan due to location permissions, log the cause
of the denial

Bug: 129800024
Test: manual
Change-Id: I17423e61f9de4dc39e7bb5ca705124bbae7a11d1
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 70b5e2d..28362fc 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -4440,6 +4440,7 @@
                 if (locationResult == LocationAccessPolicy.LocationPermissionResult.DENIED_HARD) {
                     throw e;
                 } else {
+                    loge(e.getMessage());
                     return TelephonyScanManager.INVALID_SCAN_ID;
                 }
             }