Bug 1317223 (part 7) - disable tests on ASAN due to bug 1344085. r=kitcambridge

MozReview-Commit-ID: 6L72ACMcDBq

services/sync/tests/unit/xpcshell.ini

@@ -1,6 +1,7 @@
 [DEFAULT]
 head = head_appinfo.js ../../../common/tests/unit/head_helpers.js head_helpers.js head_http_server.js head_errorhandler_common.js
 firefox-appdir = browser
+skip-if = asan # asan crashes, bug 1344085
 support-files =
   addon1-search.xml
   bootstrap1-search.xml