throw in finally in SnapshotTransactionManager

[rzpt]

This line can potentially throw if there are connection issues with the lock server.

atlasdb/atlasdb-impl-shared/src/main/java/com/palantir/atlasdb/transaction/impl/SnapshotTransactionManager.java

Line 251 in 962e597

timelockService.tryUnlock(ImmutableSet.of(immutableTsLock));