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
Merge commit '7b48a6463f960bf63f43e46900ef92bc3b867aa1'
* commit '7b48a6463f960bf63f43e46900ef92bc3b867aa1':
Adding index file for BusinessCard sample. This will be displayed in the HTML
The application provides two implementations for access to contacts, one based
on legacy API, the other based on the current API. The correct implementation
is chosen at runtime based on the version of the SDK.
Change-Id: Iae0bc8564be420ff504a5dc760b935630a7664e6
