am d3026e16: Merge "ADT/Layoutlib: 2 color, linear gradient support." into eclair

Merge commit 'd3026e1618d893db55c2131d66b08bc4a6e7aaf4' into eclair-plus-aosp

* commit 'd3026e1618d893db55c2131d66b08bc4a6e7aaf4':
  ADT/Layoutlib: 2 color, linear gradient support.