Sets the color of the app status bar to match the app background

[wadva474]

This PR sets the app status bar to match the app background and also adds the dark theme for the app bar

screenshots :

[wbrunette]

@wadva474 looking at your screenshots the buttons ODK-X Tables are not turning white so I cannot see the button icons.

[wadva474]

The Pull Request has been updated to change PNG images used as Menus to SVG so that the menus changes color as the theme changes.
A complementary Pull request has been created on TABLES(odk-x/tables#204). to also make the same change

Complementary PR'S

1. Services (Set Status Bar services#251)
2. Tables (Set Status Bar color tables#204)

Attached is a video recording and also screenshots to effect the change.

This also addresses :
odk-x/tool-suite-X#366
odk-x/tool-suite-X#365

Video :
tables_recording.webm

Screenshots :

cc: @wbrunette @maprehensive

[wbrunette]

@wadva474 I did a quick look and I did not notice anything wrong.

Of course, testing is the only way to make sure by going through all the screens which you might want to do before the final application.