master
8193300: Miscellaneous changes imported from jsr166 CVS 2018-01
8187443: Forest Consolidation: Move files to unified layout
8292955: Collections.checkedMap Map.merge does not properly check key and value
8292317: Missing null check for Iterator.forEachRemaining implementations
8207003: Miscellaneous changes imported from jsr166 CVS 2018-09
8368178: Add specialization of SequencedCollection methods to standard list factories
8314236: Overflow in Collections.rotate
8294693: Add Collections.shuffle overload that accepts RandomGenerator interface
8351230: Collections.synchronizedList returns a list that is not thread-safe
8354968: Replace unicode sequences in comment text with UTF-8 characters
6323374: (coll) Optimize Collections.unmodifiable* and synchronized*
8266571: Sequenced Collections