hwc: Reset refresh-rate for few cases as part of timeout handler

We do not obey idlefallback in certain usecases like secure display,
secure RGB layers, only a single layer being composed or yuv-layers.
Do not set refresh rate to minimum for those usecases as part of
composition thread but set it as part of timeout handler.

Change-Id: I743e44c2bc2c082767ba6b153e714e9ee73794e8
1 file changed