SNOW-1497358 Support multiple storage for Iceberg mode #2183

Job	Run time
Build & Test - Windows, JDK 8, Cloud AWS	52m 35s
Build & Test - Windows, JDK 8, Cloud AZURE	56m 5s
Build & Test - JDK 8, Cloud AWS	1h 1m 32s
Build & Test - Windows, JDK 8, Cloud GCP	1h 5m 37s
Build & Test - JDK 8, Cloud AZURE	51m 28s
E2E JAR Test - Cloud AWS	3m 5s
Build & Test - JDK 8, Cloud GCP	1h 4m 31s
E2E JAR Test - Cloud AZURE	3m 1s
E2E JAR Test - Cloud GCP	3m 7s
	6h 1m 1s

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