am 6c9c6cee: Update grid color for month view per designer. Do not merge

Merge commit '6c9c6cee5889c9960e83db4b0ef8b740e9a0de01' into gingerbread-plus-aosp

* commit '6c9c6cee5889c9960e83db4b0ef8b740e9a0de01':
  Update grid color for month view per designer. Do not merge