db: Add stub for secondary_index_manager class
db: Add stub for secondary_index_manager class

capturePointer/scylla,dwdm/scylla,guiquanz/scylla,capturePointer/scylla,kjniemi/scylla,asias/scylla,gwicke/scylla,dwdm/scylla,acbellini/scylla,linearregression/scylla,senseb/scylla,bowlofstew/scylla,wildinto/scylla,rentongzhang/scylla,respu/scylla,linearregression/scylla,raphaelsc/scylla,senseb/scylla,acbellini/scylla,tempbottle/scylla,scylladb/scylla,raphaelsc/scylla,avikivity/scylla,raphaelsc/scylla,rluta/scylla,rentongzhang/scylla,aruanruan/scylla,glommer/scylla,scylladb/scylla,stamhe/scylla,rentongzhang/scylla,shaunstanislaus/scylla,victorbriz/scylla,asias/scylla,guiquanz/scylla,shaunstanislaus/scylla,stamhe/scylla,gwicke/scylla,senseb/scylla,victorbriz/scylla,justintung/scylla,rluta/scylla,acbellini/scylla,guiquanz/scylla,bowlofstew/scylla,eklitzke/scylla,scylladb/scylla,stamhe/scylla,phonkee/scylla,linearregression/scylla,justintung/scylla,victorbriz/scylla,bowlofstew/scylla,gwicke/scylla,kangkot/scylla,respu/scylla,kangkot/scylla,kjniemi/scylla,phonkee/scylla,phonkee/scylla,asias/scylla,avikivity/scylla,shaunstanislaus/scylla,justintung/scylla,eklitzke/scylla,capturePointer/scylla,tempbottle/scylla,rluta/scylla,kangkot/scylla,duarten/scylla,dwdm/scylla,duarten/scylla,avikivity/scylla,wildinto/scylla,aruanruan/scylla,duarten/scylla,aruanruan/scylla,scylladb/scylla,respu/scylla,glommer/scylla,kjniemi/scylla,glommer/scylla,eklitzke/scylla,tempbottle/scylla,wildinto/scylla