[BP-62] LedgerHandle introduces batch read API. (#4195) #1350

Job	Run time
PR Validation	7m 50s
Integration Tests	19m 50s
Build with macos on JDK 11	8m 53s
Backward compatibility tests	3m 54s
Compatibility Check Java8	19m 38s
Compatibility Check Java11	20m 23s
Bookie Tests	23m 5s
Compatibility Check Java17	19m 41s
OWASP Dependency Check	0s
Build with windows on JDK 11	6m 53s
Client Tests	1h 0m 14s
Replication Tests	25m 1s
Remaining Tests	18m 5s
TLS Tests	13m 43s
StreamStorage Tests	18m 42s
Shell tests	39s
	4h 26m 31s

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