Simplify BanCommitResult type

The default constructor is not required, as Java will supply one.

Use ArrayList(4) instead of LinkedList. Its about the same size
for 1 commit, and smaller for higher numbers. Callers do not
perform insertions or removals from the middle of the lists.

Change-Id: Ib0e0c857697a6347dcb90c4c14f84555c2fd7c2a
1 file changed