Edit PasswordProtectionWarningTrigger description

Edit PasswordProtectionWarningTrigger description, since we've expanded
protection to non-Google enterprise passwords.

Bug: 845038
Change-Id: I3d98ee28f5ddf73b5f5e091b10d516fafaffc3ba
Reviewed-on: https://chromium-review.googlesource.com/1118971Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Commit-Queue: Jialiu Lin <jialiul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571509}

components/policy/resources/policy_templates.json

@@ -11603,10 +11603,12 @@
       'tags': [],
       'desc': '''Allows you to control the triggering of passwore protection warning. Password protection alerts users when they reuse their protected password on potentially suspicious sites.
 
+      You can use 'PasswordProtectionLoginURLs' and 'PasswordProtectionChangePasswordURL' policies to configure which password to protect.
+
       If this policy is set to 'PasswordProtectionWarningOff', no password protection warning will be shown.
-      If this policy is set to 'PasswordProtectionWarningOnPasswordReuse', password protection warning will be shown when the user reuses their Google password on a non-whitelisted site.
-      If this policy is set to 'PasswordProtectionWarningOnPhishingReuse', password protection warning will be shown when the user reuses their Google password on a phishing site.
-      If this policy is left unset, password protection warning will be triggered when the user reuses their Google password on a phishing site but the user will be able to change this setting.''',
+      If this policy is set to 'PasswordProtectionWarningOnPasswordReuse', password protection warning will be shown when the user reuses their protected password on a non-whitelisted site.
+      If this policy is set to 'PasswordProtectionWarningOnPhishingReuse', password protection warning will be shown when the user reuses their protected password on a phishing site.
+      If this policy is left unset, password protection warning will be triggered when the user reuses their protected password on a phishing site but the user will be able to change this setting.''',
     },
     {
       'id': 419,