8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
Reviewed-by: martin, psandoz

8136583: Core libraries should use blessed modifier order
Summary: Run blessed-modifier-order script (see bug)
Reviewed-by: psandoz, chegar, alanb, plevart

8078334: Mark regression tests using randomness
Reviewed-by: xuelei, alanb

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6907177: Update jdk tests to remove unncessary -source and -target options
Reviewed-by: ohair

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