Adding new odspErrorType, fetchAbort, for when abort signal is fired

[chensixx]

task 545

Description

Adding fetchAborted as a new odsp error type, for scenarios when abort signal is provided

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +60 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	367.07 KB	367.07 KB	■ No change
connectionState.js	711 Bytes	711 Bytes	■ No change
containerRuntime.js	182.26 KB	182.26 KB	■ No change
loader.js	146.19 KB	146.19 KB	■ No change
map.js	38.29 KB	38.29 KB	■ No change
matrix.js	122.98 KB	122.98 KB	■ No change
odspDriver.js	145.95 KB	145.98 KB	⯅ +30 Bytes
odspPrefetchSnapshot.js	36.82 KB	36.85 KB	⯅ +30 Bytes
sharedString.js	142.19 KB	142.19 KB	■ No change
Total Size	1.19 MB	1.19 MB	⯅ +60 Bytes

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Baseline commit: a3b8dd194b4daa48566051e9f665af91b20e5ba7

Generated by :no_entry_sign: dangerJS against 16a480f980c85fdd1f9b74f5d7de95b69a5a53f1