After updating a Shader's Matrix, set the Shader on the Paint again, so it will take effect. BUG:14315916 Change-Id: Ibf732f7f417d2a52500fabf4d660be7fcfb59f43
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.