nandroid_backup backup custpack

Android.mk

# Put this after quick fixes.
ifdef RECOVERY_DEVICE_USES_CUSTPACK
  LOCAL_CFLAGS += -DRECOVERY_DEVICE_USES_CUSTPACK=true
endif

BoardConfig.mk

# Right down at the end with the other COTR rules.
RECOVERY_DEVICE_USES_CUSTPACK := true

nandroid.c

// Drop this into nandroid.c in the nandroid_backup method just after system.
#ifdef RECOVERY_DEVICE_USES_CUSTPACK
    if (0 != (ret = nandroid_backup_partition(backup_path, "/custpack")))
        return ret;
#endif