Add CA certs Privacy Settings page

This CL adds information about CA certs installed by Device Owner and/or
Profile Owners to the Enterprise Privacy Setting page.

Test: make RunSettingsRoboTests
Bug: 32692748

Change-Id: I67bbe5af2b5b6326e4cd7224d0c6f17ab256dace

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

@@ -16,11 +16,14 @@
 
 package com.android.settings.enterprise;
 
+import android.annotation.NonNull;
 import android.app.admin.DevicePolicyManager;
 import android.content.ComponentName;
 import android.os.UserHandle;
 import android.support.annotation.Nullable;
 
+import java.util.List;
+
 public class DevicePolicyManagerWrapperImpl implements DevicePolicyManagerWrapper {
     private final DevicePolicyManager mDpm;
 
@@ -78,4 +81,9 @@ public class DevicePolicyManagerWrapperImpl implements DevicePolicyManagerWrappe
     public boolean isCurrentInputMethodSetByOwner() {
         return mDpm.isCurrentInputMethodSetByOwner();
     }
+
+    @Override
+    public List<String> getOwnerInstalledCaCerts(@NonNull UserHandle user) {
+        return mDpm.getOwnerInstalledCaCerts(user);
+    }
 }