Add app package names to NIU Actions Intents

This adds the package name of the currently suspended app to the NIU Actions Intents, for logging purposes.

Bug: 186388671
Test: Manual (printed out the Intent extras while trying various apps)
Test: m -j RunLauncherGoGoogleRoboTests
Change-Id: I8180347675c8940c960e4aa4c47dec508207c780