Fix count field of showmap is always 1 collect_vma() should increase the count of Vmainfo. Therefore fix this. Test: showmap pid & check the count of vma. Bug: 362883772 Change-Id: I010dadfdde8cc95defe94bdfb573eb8875c6db9f Signed-off-by: Hailong Liu <hailong.liu@oppo.com>