Make Java try-with-resources statement parse properly.

Make Java try-with-resources statement parse properly.

progmodes/cc-langs.el (c-block-stmt-1-2-kwds, c-block-stmt-1-2-key): New
language constants/variables.
progmodes/cc-engine.el (c-beginning-of-statement-1, c-after-conditional): Adapt
to deal with c-block-stmt-1-2-key.
progmodes/cc-fonts.el (c-font-lock-declarations): Adapt to deal with
c-block-stmt-1-2-key.