DO NOT MERGE Fix CEC read Global Setting timing

[Description]
When UI enables 2 CEC options right after enable CEC
TV will read the wrong value,
and failed to update value before TV is ready.

We should read the setting again after TV is ready.

Bug: 176708541
Test: Toggle HDMI control settings 10 times PASS

Change-Id: I0e8eaefe3839873c4af476d47bdb1295711d5967