This was broken due to 390ec00c6693fb20004f357901beae919a79329f in frameworks/base Change-Id: Ieaff5f34ef56efdd492af2f2e7c2294448223616
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.