Upgraded android.jar.version to 1.6_r2, because 1.6_r1 doesn't exist on Maven Central.
Upgraded android.jar.version to 1.6_r2, because 1.6_r1 doesn't exist on Maven Central.

lczgywzyy/robotium,luohaoyu/robotium,hypest/robotium,activars/remote-robotium,lgs3137/robotium,RobotiumTech/robotium,shibenli/robotium,MattGong/robotium,Eva1123/robotium,acanta2014/robotium,RobotiumTech/robotium,XRacoon/robotiumEx,shibenli/robotium,pefilekill/robotiumCode,luohaoyu/robotium,darker50/robotium,XRacoon/robotiumEx,darker50/robotium,pefilekill/robotiumCode,SinnerSchraderMobileMirrors/robotium,lczgywzyy/robotium,hypest/robotium,NetEase/robotium,zhic5352/robotium,zhic5352/robotium,lgs3137/robotium,acanta2014/robotium,NetEase/robotium,Eva1123/robotium,MattGong/robotium