Properly catch ServiceSpecificException if IMS isn't available

Fixes: 147815387
Test: boot device and ensure UCE registers correctly.
Change-Id: I4033659acb0031e2383ebcff55c1bb0798041abd

telephony/java/android/telephony/ims/ProvisioningManager.java

@@ -27,6 +27,7 @@ import android.annotation.TestApi;
 import android.annotation.WorkerThread;
 import android.os.Binder;
 import android.os.RemoteException;
+import android.os.ServiceSpecificException;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyFrameworkInitializer;
@@ -383,6 +384,8 @@ public class ProvisioningManager {
         callback.setExecutor(executor);
         try {
             getITelephony().registerImsProvisioningChangedCallback(mSubId, callback.getBinder());
+        } catch (ServiceSpecificException e) {
+            throw new ImsException(e.getMessage(), e.errorCode);
         } catch (RemoteException | IllegalStateException e) {
             throw new ImsException(e.getMessage(), ImsException.CODE_ERROR_SERVICE_UNAVAILABLE);
         }