OverlayProperty API implementation

- load overlay properties upon SF callbacks.

Bug: 242588489
Test: atest libsurfaceflinger_unittest, hardcode some dataspaces and
pixelformats values in HalImpl::getOverlaySupport to make sure the path
from HWC to HWUI is functionally workable on the device

Change-Id: I7e5ab7e242ca86daa991141910690f633c5de6ac