android_system_core/rootdir/init.environ.rc.in

# set up the global environment
on init
    export ANDROID_BOOTLOGO 1
    export ANDROID_ROOT /system
    export ANDROID_ASSETS /system/app
    export ANDROID_DATA /data
    export ANDROID_STORAGE /storage
    export ASEC_MOUNTPOINT /mnt/asec
    export LOOP_MOUNTPOINT /mnt/obb
    export BOOTCLASSPATH %BOOTCLASSPATH%
    export SYSTEMSERVERCLASSPATH %SYSTEMSERVERCLASSPATH%