Verify misc java.util classes against upstream OpenJDK8u121-b13.
Verify some misc classes that only require minor adjustments.
*SummaryStatistics: Reintroduce unused import. After this CL,
these file are exactly identical to upstream.
OptionalInt: Revert addition of an empty line.
Scanner: Refactor to merge to separate changed blocks into one,
tweak change markers.
Vector: Rephrase change marker and document additional places
touched by this change.
Bug: 35910877
Test: CtsLibcoreTestCases
Change-Id: Ie71a8c6b0acc5d3c8926bd405ae4fc37ba517d4e
6 files changed