Update CBD dialog and Site Settings secondary strings in MD settings

chrome/app/settings_strings.grdp

Index: chrome/app/settings_strings.grdp
diff --git a/chrome/app/settings_strings.grdp b/chrome/app/settings_strings.grdp
index 2da9672f18eaa75dd008fbe7f7f98ac366dcce0f..3ca06a09410107861a0f87720a68ec30d46b65b6 100644
--- a/chrome/app/settings_strings.grdp
+++ b/chrome/app/settings_strings.grdp
@@ -1613,13 +1613,13 @@
     Site Settings
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_DESCRIPTION" desc="Secondary, continued explanation of what content settings in Chrome do">
-    Control what content websites can show you and what information they can use as you browse
+    Control what information websites can use and what content they can show you
   </message>
   <message name="IDS_SETTINGS_CLEAR_DATA" desc="Text for clear browsing data button in Privacy options">
     Clear browsing data
   </message>
-  <message name="IDS_SETTINGS_CLEAR_DATA_DESCRIPTION" desc="Description for clear browsing data button in Privacy options">
-    Control your browsing data
+  <message name="IDS_SETTINGS_CLEAR_DATA_DESCRIPTION" desc="Description for clear browsing data button in Privacy options. 'History' refers to browsing history. 'Cookies' refers to the technical meaning of a cookie, i.e. data saved by a website on the user's computer, as in when a website saves your preferences.">
+    Clear history, cookies, cache, and more
   </message>
   <message name="IDS_SETTINGS_TITLE_AND_COUNT" desc="The title of a section in the settings page with a count of the total number of items in the section">
     <ph name="TITLE">$1<ex>Block</ex></ph> - <ph name="COUNT">$2<ex>42</ex></ph>