Replacing colors with ones from current WCAG 2.0 level AA compliant
color palette. Also improving SVG files by svgo optimization where
easily applicable and cleaning up some minor Less shortcomings.
Bug: T149769
Change-Id: I3d46c95a61112ba808c6ec664a95c94e9cb42c5e
I decided to fix them all at once since we're merging all of these
patches together anyway. I can pull changes into other patches if
absolutely necessary.
Also fixes the dialog open/close handlers for the canvas click event,
and leaves the reuse dialog open on next/prev.
Change-Id: Id1564425442aec72e5e41f2f80986d8a104dd92c
