LKG builds are failing

[DanielRosenwasser]

src/tsc/tsc.ts(2,4): error TS2339: Property 'executeCommandLine' does not exist on type 'typeof ts'.
[06:05:47] 'buildTsc' errored after 1 min
[06:05:47] Error: Process exited with code: 2
    at ChildProcess.proc.on.exitCode (/home/vsts/work/1/s/scripts/build/utils.js:54:28)
    at ChildProcess.emit (events.js:198:13)
    at ChildProcess.EventEmitter.emit (domain.js:466:23)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:248:12)

See also #34582.