Initialize JingleThreadWrapper in the Android client

Previously Android client was crashing because JingleThreadWrapper
was not initialized for the networking thread. It was broken by
crrev.com/271351, which removed JingleThreadWrapper initialization
from  LijbingleTransportFactory.

TBR=lambroslambrou@chromium.org

Review URL: https://codereview.chromium.org/298013004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272905 0039d316-1c4b-4281-b951-d872f2087c98

remoting/client/jni/chromoting_jni_instance.cc

@@ -8,6 +8,7 @@
 
 #include "base/bind.h"
 #include "base/logging.h"
+#include "jingle/glue/thread_wrapper.h"
 #include "net/socket/client_socket_factory.h"
 #include "remoting/client/audio_player.h"
 #include "remoting/client/jni/android_keymap.h"
@@ -314,6 +315,8 @@ void ChromotingJniInstance::ConnectToHostOnDisplayThread() {
 void ChromotingJniInstance::ConnectToHostOnNetworkThread() {
   DCHECK(jni_runtime_->network_task_runner()->BelongsToCurrentThread());
 
+  jingle_glue::JingleThreadWrapper::EnsureForCurrentMessageLoop();
+
   client_context_.reset(new ClientContext(
       jni_runtime_->network_task_runner().get()));
   client_context_->Start();