Bug 1355027 - Don't attempt an artifact build for an asan build with --artifact in try syntax. r=nalexander

Our configs and the artifact machinery aren't equipped to handle this.

MozReview-Commit-ID: 68DYmWEdGnA

--HG--
extra : rebase_source : fa79eeab616412acab773b6d6bd46a58399699dd

testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan.py

@@ -44,5 +44,6 @@ asan.manifest",
 /tools/python27-mercurial/bin:/home/cltbld/bin',
     },
     'src_mozconfig': 'browser/config/mozconfigs/linux64/nightly-asan',
+    'artifact_flag_build_variant_in_try': None,
     #######################
 }

testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_and_debug.py

@@ -45,5 +45,6 @@ asan.manifest",
 /tools/python27-mercurial/bin:/home/cltbld/bin',
     },
     'src_mozconfig': 'browser/config/mozconfigs/linux64/debug-asan',
+    'artifact_flag_build_variant_in_try': None,
     #######################
 }

testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc.py

@@ -44,5 +44,6 @@ asan.manifest",
 /tools/python27-mercurial/bin:/home/cltbld/bin',
     },
     'src_mozconfig': 'browser/config/mozconfigs/linux64/nightly-asan',
+    'artifact_flag_build_variant_in_try': None,
     #######################
 }

testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc_and_debug.py

@@ -45,5 +45,6 @@ asan.manifest",
 /tools/python27-mercurial/bin:/home/cltbld/bin',
     },
     'src_mozconfig': 'browser/config/mozconfigs/linux64/debug-asan',
+    'artifact_flag_build_variant_in_try': None,
     #######################
 }