app: Fix rendering issue in design view of the studio
app: Fix rendering issue in design view of the studio

This error was observed with the project created
by the Android Studio:
  Rendering Problems The following classes could not be found:
  - android.support.v7.internal.app.WindowDecorActionBar
  (Fix Build Path, Edit XML, Create Class)
  Tip: Try to build the project.

Signed-off-by: Sanjeev Premi <e2c59cdd009c02452534cc3986d2bb876e0e4eac@ymail.com>

spremi/nayati,spremi/nayati