config: Move IAntiFlicker to fqname

Fixes:
ERROR: HIDL interface vendor.lineage.livedisplay@2.0::IAntiFlicker is
referenced in /system/etc/vintf/compatibility_matrix.device.xml,
but there is no corresponding .hal definition associated with a
hidl_interface module in this build. Typo?

Change-Id: If7708540351db6f465504ed433638653e2c52503