libadfhwc: add adf_set_active_config_hwc2 support

Add the necessary set mode support to enable HWC2's set_active_config

Test: run gtests located in frameworks/native/services/surfaceflinger/tests/hwc2
Change-Id: I686dce91a2d8fe86db13c66d22f81960c2f8e8f2
2 files changed