Add LOCAL_DEX_PREOPT := false to force the samples to build actual apks. In addition, fix a couple of other small issues: - TtsEngine didn't have the api level set properly. - SimpleJNI used a non-ndk library and was using libc++. Change-Id: I1fd7c187956eed4620049bb746f4d62babcd648a
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.