Auto merge of #18226 - glennw:update-wr-render-tasks, r=jdm
Auto merge of #18226 - glennw:update-wr-render-tasks, r=jdm

Update WR (render task tree optimization, shader includes, long text run fix).

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mbrubeck/servo,splav/servo,KiChjang/servo,avadacatavra/servo,saneyuki/servo,KiChjang/servo,upsuper/servo,SimonSapin/servo,szeged/servo,dsandeephegde/servo,peterjoel/servo,pyfisch/servo,saneyuki/servo,thiagopnts/servo,canaltinova/servo,KiChjang/servo,dati91/servo,mbrubeck/servo,DominoTree/servo,CJ8664/servo,rnestler/servo,pyfisch/servo,peterjoel/servo,peterjoel/servo,peterjoel/servo,szeged/servo,nnethercote/servo,mattnenterprise/servo,nnethercote/servo,avadacatavra/servo,KiChjang/servo,canaltinova/servo,splav/servo,larsbergstrom/servo,larsbergstrom/servo,fiji-flo/servo,szeged/servo,nnethercote/servo,peterjoel/servo,notriddle/servo,SimonSapin/servo,cbrewster/servo,mattnenterprise/servo,saneyuki/servo,eddyb/servo,canaltinova/servo,mbrubeck/servo,emilio/servo,paulrouget/servo,larsbergstrom/servo,mattnenterprise/servo,rnestler/servo,avadacatavra/servo,peterjoel/servo,notriddle/servo,fiji-flo/servo,mbrubeck/servo,pyfisch/servo,notriddle/servo,CJ8664/servo,cbrewster/servo,dati91/servo,rnestler/servo,splav/servo,thiagopnts/servo,mattnenterprise/servo,CJ8664/servo,sadmansk/servo,DominoTree/servo,eddyb/servo,nnethercote/servo,pyfisch/servo,eddyb/servo,saneyuki/servo,larsbergstrom/servo,CJ8664/servo,avadacatavra/servo,eddyb/servo,eddyb/servo,szeged/servo,anthgur/servo,larsbergstrom/servo,szeged/servo,jimberlage/servo,nnethercote/servo,upsuper/servo,rnestler/servo,emilio/servo,mattnenterprise/servo,fiji-flo/servo,rnestler/servo,cbrewster/servo,saneyuki/servo,peterjoel/servo,emilio/servo,canaltinova/servo,emilio/servo,rnestler/servo,cbrewster/servo,sadmansk/servo,fiji-flo/servo,paulrouget/servo,KiChjang/servo,cbrewster/servo,paulrouget/servo,upsuper/servo,sadmansk/servo,jimberlage/servo,dsandeephegde/servo,canaltinova/servo,paulrouget/servo,saneyuki/servo,ConnorGBrewster/servo,thiagopnts/servo,cbrewster/servo,nnethercote/servo,dati91/servo,jimberlage/servo,avadacatavra/servo,upsuper/servo,KiChjang/servo,thiagopnts/servo,nnethercote/servo,canaltinova/servo,upsuper/servo,dsandeephegde/servo,anthgur/servo,pyfisch/servo,DominoTree/servo,paulrouget/servo,dati91/servo,splav/servo,KiChjang/servo,SimonSapin/servo,upsuper/servo,canaltinova/servo,splav/servo,larsbergstrom/servo,fiji-flo/servo,rnestler/servo,ConnorGBrewster/servo,DominoTree/servo,dati91/servo,peterjoel/servo,paulrouget/servo,splav/servo,avadacatavra/servo,pyfisch/servo,ConnorGBrewster/servo,jimberlage/servo,saneyuki/servo,mbrubeck/servo,szeged/servo,nnethercote/servo,mbrubeck/servo,szeged/servo,dati91/servo,DominoTree/servo,peterjoel/servo,szeged/servo,SimonSapin/servo,dsandeephegde/servo,mbrubeck/servo,saneyuki/servo,eddyb/servo,ConnorGBrewster/servo,cbrewster/servo,DominoTree/servo,paulrouget/servo,larsbergstrom/servo,sadmansk/servo,mbrubeck/servo,nnethercote/servo,dati91/servo,KiChjang/servo,anthgur/servo,anthgur/servo,larsbergstrom/servo,splav/servo,upsuper/servo,avadacatavra/servo,eddyb/servo,jimberlage/servo,mattnenterprise/servo,saneyuki/servo,thiagopnts/servo,paulrouget/servo,mattnenterprise/servo,notriddle/servo,SimonSapin/servo,peterjoel/servo,emilio/servo,CJ8664/servo,emilio/servo,rnestler/servo,canaltinova/servo,splav/servo,splav/servo,ConnorGBrewster/servo,dsandeephegde/servo,upsuper/servo,eddyb/servo,paulrouget/servo,larsbergstrom/servo,cbrewster/servo,notriddle/servo,avadacatavra/servo,jimberlage/servo,ConnorGBrewster/servo,emilio/servo,DominoTree/servo,SimonSapin/servo,jimberlage/servo,CJ8664/servo,ConnorGBrewster/servo,pyfisch/servo,pyfisch/servo,dati91/servo,fiji-flo/servo,jimberlage/servo,SimonSapin/servo,anthgur/servo,saneyuki/servo,CJ8664/servo,emilio/servo,ConnorGBrewster/servo,szeged/servo,mattnenterprise/servo,dsandeephegde/servo,thiagopnts/servo,DominoTree/servo,anthgur/servo,sadmansk/servo,szeged/servo,notriddle/servo,KiChjang/servo,nnethercote/servo,CJ8664/servo,sadmansk/servo,sadmansk/servo,pyfisch/servo,sadmansk/servo,dsandeephegde/servo,notriddle/servo,splav/servo,thiagopnts/servo,jimberlage/servo,fiji-flo/servo,anthgur/servo,notriddle/servo,emilio/servo,emilio/servo,thiagopnts/servo,anthgur/servo,notriddle/servo,dsandeephegde/servo,DominoTree/servo,DominoTree/servo,pyfisch/servo,notriddle/servo,KiChjang/servo,paulrouget/servo,SimonSapin/servo,fiji-flo/servo,larsbergstrom/servo