Bug 1158384 - Enable robocop testBrowserDiscovery on Android 4.3; r=me

--HG--
extra : rebase_source : 5314429c2bffaf50309bb40c8bdb285dce9cee7c

mobile/android/tests/browser/robocop/robocop.ini

@@ -91,8 +91,6 @@ skip-if = android_version == "10" || android_version == "18"
 # (If your test can be written entirely in Javascript, consider writing
 # it as a chrome test instead. See mobile/android/tests/browser/chrome.)
 [src/org/mozilla/gecko/tests/testBrowserDiscovery.java]
-# disabled on 4.3, bug 1158384
-skip-if = android_version == "18"
 [src/org/mozilla/gecko/tests/testFilePicker.java]
 [src/org/mozilla/gecko/tests/testHistoryService.java]
 # disabled on 4.3, bug 1116036