Smartbar editor: color navbar when in edit mode

now that we use a vector for the close button, synced with device accent
color, we can use the same color for smartbar when edit mode is active.
It looks nice and helps to catch user attention.

Preview:
https://preview.ibb.co/cerveb/Screenshot_20171203_115127.png
4 files changed
tree: bc175e9c5504510a7ea661350ce6b34892bae773
  1. res/
  2. src/
  3. Android.mk
  4. LICENSE