man_aosp_make.txt

make android.policy        (the power menu and lockscreen)
make framework             (the initial framework files)
make framework-res         (the initial framework resources)
make services              (the services.jar file)
make sdk                   (builds the android sdk)
make modules               (builds all modules)
make installclean          (removes all staging directories, such as out/target/product/boardname/system)
make clean                 (removes the whole /out directory)
make recoveryimage         (builds the recovery from /bootable/recovery, customizable if wanted!)