drm_hwcomposer: Drop modes with DRM_MODE_FLAG_INTERLACE to HWC2
HWC2 has currently no support for interlaced modes, and will conflict with non-interlaced modes for now.
Drop them in DrmHwcTwo::HwcDisplay::GetDisplayConfigs(), correctly handling the two phase calls to GetDisplayConfigs() giving a valid num_configs without the interlaced modes.
Signed-off-by: Neil Armstrong narmstrong@baylibre.com