Updated Share Options banner color. Everything that's supposed to be red...

... should now be red. For issue: Paint the App Red (#11).

This is the last of a series of changes to turn all the gray stuff red. It looks like this was the last detail missing. Color should now be consistent throughout the app. 

Group: Katharine Brinker, Sreenidhi Pundi Muralidharan (original claimer of the issue), and Duy Truong.