add to RosAndroid.groovy maven repositories

[talregev]

add to RosAndroid.groovy maven repositories:

      maven {
        url "https://github.com/rosjava/rosjava_mvn_repo/raw/master"
      }
      mavenLocal()
      maven {
        url "http://repository.springsource.com/maven/bundles/release"
      }
      maven {
        url "http://repository.springsource.com/maven/bundles/external"
      }
      mavenCentral()

like RosPlugin.groovy

[talregev]

@stonier