added example apk where taint is propagated through different entry points
added example apk where taint is propagated through different entry points

secure-software-engineering/soot-infoflow-android,xph906/FlowDroidNew,uds-se/soot-infoflow-android,Machiry/soot-infoflow-android,matedealer/soot-infoflow-android,mohsinjuni/soot-infoflow-android,xph906/FlowDroidNew,droidsec-cn/soot-infoflow-android,lilicoding/soot-infoflow-android,Xiejiayun/soot-infoflow-android,kaunder/soot-infoflow-android,wsnavely/soot-infoflow-android,jameswhang/flowdroid,docteau/soot-infoflow-android