Cannot run the project in android studio

@fookwood I am trying to run your project but the project don't run. It just showing error. Any idea why it is not building? 

```
D:\android\fookwood\quickstep\src\com\android\quickstep\InstantAppResolverImpl.java:22: error: cannot find symbol
import android.content.pm.InstantAppInfo;
                         ^
  symbol:   class InstantAppInfo
  location: package android.content.pm
```