Moves Android (phone/tablet) specific code to Android product flavor
Adds initial commit of Glass specific code
Adds empty state text and renderer base
Hooks up Start, Stop, and Reset menu actions
Add logging messages for surface changes
Updates view based on whether there is any contraction and whether it is ongoing
Run query for MenuActivity in the background rather than on UI thread
Close cursor when done
Add black background to ensure entire card is redrawn on update
Adds template for main Glass layout
Extract update logic into separate code paths depending on whether there are any contractions
Fill in current and last contraction information