AI 143377: am: CL 143227 am: CL 143046 Add extra pixel on right and left in 9...

AI 143377: am: CL 143227 am: CL 143046 Add extra pixel on right and left in 9 patch for expanders to fix padding problem
  Original author: krosaen
  Merged from: //branches/cupcake/...
  Original author: android-build
  Merged from: //branches/donutburger/...

Automated import of CL 143377