fs_mgr: Add fs_mgr_get_entry_for_mount_point_after to header

                     const char *mount_point, const char *fs_type,

                     const char *blk_device);

struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path);

struct fstab_rec *fs_mgr_get_entry_for_mount_point_after(struct fstab_rec *start_rec, struct fstab *fstab, const char *path);

int fs_mgr_is_voldmanaged(struct fstab_rec *fstab);

int fs_mgr_is_nonremovable(struct fstab_rec *fstab);

int fs_mgr_is_encryptable(struct fstab_rec *fstab);