testbuild target is broken for Tor Browser 64 bit (versionCode can't get computed)

{{{ 0:03.87 Traceback (most recent call last): 0:03.87 File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main 0:03.88 "main", fname, loader, pkg_name) 0:03.88 File "/usr/lib/python2.7/runpy.py", line 72, in _run_code 0:03.88 exec code in run_globals 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/python/mozbuild/mozbuild/action/file_generate.py", line 120, in 0:03.88 sys.exit(main(sys.argv[1:])) 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/python/mozbuild/mozbuild/action/file_generate.py", line 71, in main 0:03.88 ret = module.dictmethod 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/mobile/android/base/generate_build_config.py", line 145, in generate_android_manifest 0:03.88 defines=_defines(), 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/mobile/android/base/generate_build_config.py", line 129, in _defines 0:03.88 max_sdk=max_sdk) 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/python/mozbuild/mozbuild/android_version_code.py", line 140, in android_version_code 0:03.88 return android_version_code_v0(buildid, *args, **kwargs) 0:03.88 File "/var/tmp/build/firefox-4516c5951e84/python/mozbuild/mozbuild/android_version_code.py", line 31, in android_version_code_v0 0:03.88 "for CPU arch %s" % cpu_arch) 0:03.88 ValueError: Don't know how to compute android:versionCode for CPU arch arm64-v8a }}} I think this will be fixed once we move away from ESR 68 as I've been doing test builds for #33626 (moved). Still, even if so, this is a bug in our current setup.