Bug 1462836 - Disabled redirect-count.any.js test on Linux. r=jmaher

testing/web-platform/meta/fetch/api/redirect/redirect-count.any.js.ini

@@ -0,0 +1,8 @@
+diff --git a/testing/web-platform/meta/fetch/api/redirect/redirect-count.any.js.ini b/testing/web-platform/meta/fetch/api/redirect/redirect-count.any.js.ini
+new file mode 100644
+--- /dev/null
++++ b/testing/web-platform/meta/fetch/api/redirect/redirect-count.any.js.ini
+@@ -0,0 +1,3 @@
++[redirect-count.any.html]
++disabled:
++  if (os == "linux"): https://bugzilla.mozilla.org/show_bug.cgi?id=1462836