[chore][fileconsumer] Skip flaky TestFlushPeriodEOF on windows (#32946) #1

Job	Run time
windows-unittest-matrix (receiver-0)	16m 22s
windows-unittest-matrix (receiver-1)	24m 7s
windows-unittest-matrix (receiver-2)	22m 37s
windows-unittest-matrix (receiver-3)	21m 25s
windows-unittest-matrix (processor-0)	13m 14s
windows-unittest-matrix (processor-1)	15m 16s
windows-unittest-matrix (exporter-0)	13m 39s
windows-unittest-matrix (exporter-1)	17m 9s
windows-unittest-matrix (exporter-2)	16m 43s
windows-unittest-matrix (exporter-3)	16m 32s
windows-unittest-matrix (extension)	19m 41s
windows-unittest-matrix (connector)	15m 58s
windows-unittest-matrix (internal)	17m 20s
windows-unittest-matrix (pkg)	13m 31s
windows-unittest-matrix (cmd-0)	21m 3s
windows-unittest-matrix (cmd-1)	16m 33s
windows-unittest-matrix (other)	24m 15s
windows-unittest	4s
	5h 5m 29s

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