These samples are simply ported from the ApiDemos package with package names updated to use the support library implementation instead. Bug: 8175766 Change-Id: Idfa35708d4db65a201a20c3726bb18663c2c0a81
Adding a new folder in development/samples is not enough to have it be packaged with the SDK. Make sure to edit development/build/sdk.atree to add the sample to the SDK build.