Fixed typo in SnapshotBackedWriteTransaction class

Fixed type in SnapshotBackedWriteTransaction class name.

Change-Id: I51e13023e33f95a0f36c56659664b59dff56048b
Signed-off-by: Lukas Sedlak <lsedlak@cisco.com>
Merge "Fixed typo in SnapshotBackedWriteTransaction class"