noninteractive-tradefed: stop using the latest adb

to avoid confusions caused by adb versions

Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>

Author: liuyq

automated/android/noninteractive-tradefed/setup.sh

@@ -22,7 +22,6 @@ case "${dist}" in
         ;;
 esac
 
-install_latest_adb
 initialize_adb
 adb_root