test: [Bigtable] Temporarily disable a flaky LargeRowIT integration case #20527

Job	Run time
gapic-libraries-bom	18m 13s
bulk-filter	59s
changes	1m 4s
enforcer	19m 43s
lint	3m 35s
generation-config-check	1m 38s
windows	2m 41s
units (8)	1m 18s
units (17)	40s
units (21)	47s
units (11)	1m 3s
units (25)	41s
split-dependencies (java-bigtable)	5m 11s
split-units (java-bigtable, 8)	5m 49s
split-units (java-bigtable, 17)	8m 3s
split-units (java-bigtable, 21)	7m 48s
split-units (java-bigtable, 11)	6m 20s
split-units (java-bigtable, 25)	8m 14s
split-clirr (java-bigtable)	2m 34s
conditional-required-check	3s
	1h 36m 24s

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