Send notification messages immediatelly

Notification messages are posted through a handler with a main thread.
When a caller of TIS.notifyXXX runs also in a main thread, the notification
is delivered after the method including the caller is finished.
So we added runOnMainThread and made notification messages sent through
runOnMainThread.

Change-Id: Ieb2c5c04ff031e42a532acfc45e0174563265c6b