Reduced logging

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

@@ -1585,6 +1585,11 @@ public class Log {
                     ex.getCause().getMessage().contains("User is authenticated but not connected"))
                 return null;
 
+            if (ex instanceof MessagingException &&
+                    ex.getMessage() != null &&
+                    ex.getMessage().startsWith("OAuth refresh"))
+                return null;
+
             if (ex instanceof IOException &&
                     ex.getCause() instanceof MessageRemovedException)
                 return null;

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

@@ -2308,7 +2308,10 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
                 } catch (Throwable ex) {
                     last_fail = ex;
                     iservice.dump(account.name);
-                    Log.e(account.name, ex);
+                    if (ex.getMessage() != null && ex.getMessage().startsWith("OAuth refresh"))
+                        Log.i(account.name, ex);
+                    else
+                        Log.e(account.name, ex);
                     EntityLog.log(this, EntityLog.Type.Account, account,
                             account.name + " connect " + ex + "\n" + android.util.Log.getStackTraceString(ex));
                     db.account().setAccountError(account.id, Log.formatThrowable(ex));