Replace setLongTimeout with import

[WayneFerrao]

Replaced local setLongTimeout definition with import from timer.

[msfluid-bot]

⯆ @fluid-example/bundle-size-tests: -264 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	388.13 KB	388 KB	⯆ -132 Bytes
connectionState.js	680 Bytes	680 Bytes	■ No change
containerRuntime.js	191.3 KB	191.17 KB	⯆ -132 Bytes
loader.js	151.04 KB	151.04 KB	■ No change
map.js	42.63 KB	42.63 KB	■ No change
matrix.js	128.09 KB	128.09 KB	■ No change
odspDriver.js	150.23 KB	150.23 KB	■ No change
odspPrefetchSnapshot.js	38.39 KB	38.39 KB	■ No change
sharedString.js	148.73 KB	148.73 KB	■ No change
Total Size	1.24 MB	1.24 MB	⯆ -264 Bytes

---

Baseline commit: ad7b27a50d04b53ac1b92db95f1a6e1eff9fbe3e

Generated by :no_entry_sign: dangerJS against 40f7792e052cfe4b9dd51079b81d91df1019e179

[markfields]

@WayneFerrao - Sorry I should have let you know - I just took care of this! #11499

[WayneFerrao]

Change made in 11499