Bug 1457050 - Allow range of assertions in crashtest 453894-1.xhtml on Android; r=m_kato

Avoid intermittent test failures on android.
The existing android assertion count was introduced by bug 1405550, to avoid
assertion count failures with stylo.

Differential Revision: https://phabricator.services.mozilla.com/D47792

--HG--
extra : moz-landing-system : lando

layout/base/crashtests/crashtests.list

@@ -261,7 +261,7 @@ load 448543-1.html
 load 448543-2.html
 load 448543-3.html
 load 450319-1.xhtml
-asserts(1) asserts-if(Android,2) load 453894-1.xhtml # Bug 398043
+asserts(1) asserts-if(Android,1-2) load 453894-1.xhtml # Bug 398043
 load chrome://reftest/content/crashtests/layout/base/crashtests/454751-1.xul
 load 455063-1.html
 load 455063-2.html