[ATSPI] reduce initialization attempts
[ATSPI] reduce initialization attempts

The at-spi-bus-launcher cannot reponse immediately on booting time.
So there were lots of error logs can overwrite other logs.
This patch is reducing attempt to initialize bridge and read properties.

Change-Id: I546cc71c7e05b7d494a02b4ce73e16f96a8ef707

dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor