Update layout and strings for DO Disclosures

This CL updates the DO Disclosures page (aka "Enterprise Privacy")
to incorporate UI layout and string changes proposed since
implementation began. There are no logic changes.

Test: make RunSettingsRoboTests
Bug: 32692748

Change-Id: I6ae972e77bd90eb9c61d6a516046a6eb09981ad3

src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java

@@ -41,7 +41,9 @@ public class CaCertsManagedProfilePreferenceController extends PreferenceControl
             return;
         }
         preference.setTitle(mContext.getResources().getQuantityString(
-                R.plurals.enterprise_privacy_ca_certs_work, certs, certs));
+                R.plurals.enterprise_privacy_ca_certs_work, certs));
+        preference.setSummary(mContext.getResources().getQuantityString(
+                R.plurals.enterprise_privacy_number_ca_certs, certs, certs));
         preference.setVisible(true);
     }