Bug 1203394: Skip Android tests for alert() patch. r=Aryx

toolkit/components/extensions/test/mochitest/chrome.ini

@@ -8,6 +8,7 @@ support-files =
 [test_chrome_ext_background_debug_global.html]
 skip-if = (os == 'android') # android doesn't have devtools
 [test_chrome_ext_background_page.html]
+skip-if = (toolkit == 'android') # android doesn't have devtools
 [test_chrome_ext_downloads_download.html]
 [test_chrome_ext_downloads_misc.html]
 [test_chrome_ext_downloads_search.html]