Platform changes from 19 r1 to 19 r2. Samples changes from 19 r1 to 19 r2. Change-Id: Ia391fef04468211f460f3e8d6ab83e0a4dc12a70
Use a template for samples/source.properties so that it automatically picks up the current platform API level. Also merges 52feec594a ("Update rev numbers of SDK packages.") Change-Id: I89574842d2b0290cc6cf454f82a3721644cae0f0
52feec594a