[Enterprise] Enable policy testing for URL blocking/allowing on Android

The tests for URLBlocklist and URLAllowlist already exist, but they are
not enabled on Android. Enabling them to prevent future regressions.

Bug: 1131160
Change-Id: I6c4139ee2e3b65d7405a256dbeaf562bdf0854c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2424493Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Commit-Queue: Fabio Tirelo <ftirelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809743}

chrome/test/data/policy/policy_test_cases.json

@@ -3048,7 +3048,7 @@
 
   "URLBlacklist": {
     "note": "This policy is deprecated, see http://crbug.com/1095230.",
-    "os": ["win", "linux", "mac", "chromeos"],
+    "os": ["win", "linux", "mac", "chromeos", "android"],
     "policy_pref_mapping_test": [
       {
         "policies": {"URLBlacklist": ["google.com"]},
@@ -3058,7 +3058,7 @@
   },
 
   "URLBlocklist": {
-    "os": ["win", "linux", "mac", "chromeos"],
+    "os": ["win", "linux", "mac", "chromeos", "android"],
     "policy_pref_mapping_test": [
       {
         "policies": {"URLBlocklist": ["google.com"]},
@@ -3069,7 +3069,7 @@
 
   "URLWhitelist": {
     "note": "This policy is deprecated, see http://crbug.com/1095230.",
-    "os": ["win", "linux", "mac", "chromeos"],
+    "os": ["win", "linux", "mac", "chromeos", "android"],
     "policy_pref_mapping_test": [
       {
         "policies": {"URLWhitelist": ["google.com"]},
@@ -3079,7 +3079,7 @@
   },
 
   "URLAllowlist": {
-    "os": ["win", "linux", "mac", "chromeos"],
+    "os": ["win", "linux", "mac", "chromeos", "android"],
     "policy_pref_mapping_test": [
       {
         "policies": {"URLAllowlist": ["google.com"]},