Avoid too many reschedules

mobile/src/main/scala/com/github/shadowsocks/BaseService.scala

@@ -271,7 +271,6 @@ trait BaseService extends Service {
 
   override def onCreate() {
     super.onCreate()
-    app.remoteConfig.fetch()
     app.updateAssets()
   }
 

mobile/src/main/scala/com/github/shadowsocks/acl/AclSyncJob.scala

@@ -34,6 +34,7 @@ import scala.io.Source
   */
 object AclSyncJob {
   final val TAG = "AclSyncJob"
+  final val MAX_RESCHEDULE = 3
 
   def schedule(route: String): Int = new JobRequest.Builder(AclSyncJob.TAG + ':' + route)
     .setExecutionWindow(TimeUnit.SECONDS.toMillis(10), TimeUnit.DAYS.toMillis(28))
@@ -45,6 +46,8 @@ object AclSyncJob {
 }
 
 class AclSyncJob(route: String) extends Job {
+  var rescheduled = 0
+
   override def onRunJob(params: Params): Result = {
     try {
       //noinspection JavaAccessorMethodCalledAsEmptyParen
@@ -54,7 +57,11 @@ class AclSyncJob(route: String) extends Job {
     } catch {
       case e: IOException =>
         e.printStackTrace()
-        Result.RESCHEDULE
+        rescheduled += 1
+        if (rescheduled < AclSyncJob.MAX_RESCHEDULE)
+          Result.RESCHEDULE
+        else
+          Result.FAILURE
       case e: Exception =>  // unknown failures, probably shouldn't retry
         e.printStackTrace()
         Result.FAILURE