Reduced logging

app/src/main/java/eu/faircode/email/ServiceAuthenticator.java

@@ -74,6 +74,9 @@ public class ServiceAuthenticator extends Authenticator {
         try {
             token = refreshToken(false);
         } catch (Throwable ex) {
+            if (ex.getCause() instanceof InterruptedException)
+                Log.w(ex);
+            else
                 Log.e(ex);
         }