add Vivo X7
add Vivo X7

cfig/Nexus_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor