Auto-dark NinePatches & launcher

Support palette for ninepatches (fixes popupwindow)

Crude heuristic tweak to treat any RenderNode that fully
contains other nodes as background nodes.

Test: all apps is now readable, and so is chrome's menu
Change-Id: I9926973c0be1dbf0088fa2d61e4ee2a414b19a97
5 files changed