Re-submit my change to fix pakchunk1 missing on mobile.
[REVIEW] [at]Daniel.Lamb [at]Ben.Marsh
#ROBOMERGE-SOURCE: CL 9456515 via CL 9456525 via CL 9456528 via CL 9456530 via CL 9456547
#ROBOMERGE-BOT: (v495-9448618)
[CL 9456578 by justin marcus in Main branch]