i#1729,i#1551 burst test: disable test on ARM
i#1729,i#1551 burst test: disable test on ARM

Disables the burst_static test on ARM as it uses the startstop interface
which is still NYI there.

Review-URL: https://codereview.appspot.com/310930043

AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio