Add looper to the thread to fix system_server crash

Toast message internally creates handler and we can't create
handler inside thread that has not called Looper.prepare().
Thus, we added looper to the thread to avoid system_server
carsh.

Change-Id: I09b9c4923c109f0b2707f8346e091efbd24b5089
CRs-Fixed: 669467
1 file changed