Also no update.img after build project:
C/system.img --partition vendor:readonly:264634368:rockchip_dynamic_partitions --image vendor=out/target/product/RockPi4C/vendor.img --partition product:readonly:289423360:rockchip_dynamic_partitions --image product=out/target/product/RockPi4C/product.img --partition odm:readonly:552960:rockchip_dynamic_partitions --image odm=out/target/product/RockPi4C/odm.img --sparse --output out/target/product/RockPi4C/super.img"
2020-09-13 00:24:00 - common.py - INFO : lpmake I 09-13 00:23:56 11618 11618 builder.cpp:949] [liblp]Partition system will resize from 0 bytes to 907767808 bytes
lpmake I 09-13 00:23:56 11618 11618 builder.cpp:949] [liblp]Partition vendor will resize from 0 bytes to 264634368 bytes
lpmake I 09-13 00:23:56 11618 11618 builder.cpp:949] [liblp]Partition product will resize from 0 bytes to 289423360 bytes
lpmake I 09-13 00:23:56 11618 11618 builder.cpp:949] [liblp]Partition odm will resize from 0 bytes to 552960 bytes
2020-09-13 00:24:00 - build_super_image.py - INFO : Done writing image out/target/product/RockPi4C/super.img
#### build completed successfully (01:59:25 (hh:mm:ss)) ####
rm: cannot remove '/home/davemf/ROCK_Pi4c/rockdev': No such file or directory
davemf@i7-8700-64gb-ram:~/ROCK_Pi4c$
super.img - Is it final android ROM for Pi4?