bug 837006 - use query_exe() for make in b2g_desktop_multilocale.py. r=bhearsum
bug 837006 - use query_exe() for make in b2g_desktop_multilocale.py. r=bhearsum

--HG--
branch : production

mozilla/build-mozharness,lundjordan/mozharness,kartikgupta0909/gittest,kartikgupta0909/mozilla-mozharness,simar7/build-mozharness,mrrrgn/build-mozharness,simar7/build-mozharness,lundjordan/mozharness,mrrrgn/build-mozharness,lissyx/build-mozharness,kartikgupta0909/build-mozharness,walac/build-mozharness,kartikgupta0909/build-mozharness,kartikgupta0909/gittest,kartikgupta0909/mozilla-mozharness,walac/build-mozharness,armenzg/build-mozharness,lissyx/build-mozharness,escapewindow/mozharness,escapewindow/mozharness,armenzg/build-mozharness,mozilla/build-mozharness