Change default ARCH version in android low-level profiler script to 4.6
Change default ARCH version in android low-level profiler script to 4.6

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11086002

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@12671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh