Attach/detach DeferredTask on Android correctly.

base/deferred_task.cpp

@@ -4,7 +4,7 @@ namespace my
 {
 DeferredTask::DeferredTask(TDuration const & duration) : m_duration(duration)
 {
-  m_thread = thread([this]
+  m_thread = threads::SimpleThread([this]
   {
     unique_lock<mutex> l(m_mutex);
     while (!m_terminate)

base/deferred_task.hpp

@@ -1,17 +1,18 @@
 #pragma once
 
+#include "base/thread.hpp"
+
 #include "std/chrono.hpp"
 #include "std/condition_variable.hpp"
 #include "std/function.hpp"
 #include "std/mutex.hpp"
-#include "std/thread.hpp"
 
 namespace my
 {
 class DeferredTask
 {
   using TDuration = duration<double>;
-  thread m_thread;
+  threads::SimpleThread m_thread;
   mutex m_mutex;
   condition_variable m_cv;
   function<void()> m_fn;

base/thread.cpp

@@ -121,4 +121,4 @@ void SimpleThread::ThreadFunc(function<void()> && fn)
   AndroidThreadDetachFromJVM();
 #endif  // defined(OMIM_OS_ANDROID)
 }
-}
+}  // namespace threads