The older versions of the plugin caused problems building with newer
NDK versions due to a lack of MIPS support.
This also required upgrading to a version of Gradle that knows about
the Google Maven repository.
Creating a new workload to execute the following tests on GFXBench.
* Car Chase
* Car Chase Offscreen
* Manhattan 3.1
* 1080p Manhattan 3.1 Offscreen
* 1440p Manhattan 3.1 Offscreen
* Tessellation
* Tessellation Offscreen