Compile does not require android-sdk-plugin.

The compilation of this code simply needs to link against the android
jar. There is no need to create an aar or an apklib. All that is needed
is a simple jar.

Signed-off-by: Gary Pamparà <gpampara@gmail.com>
Merge branch 'master' into sbt
Merge pull request #2 from gpampara/sbt

Compile does not require android-sdk-plugin.