Fix up the makefiles and some samples.

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
1 file changed
tree: 11246c932f60587ac63fbc7170d70349830f14d3
  1. samples/