Hide mainline module apps in settings.

- check whether an app is system hidden module and do not show them in
recent apps list and battery usage list.

Bug: 120546598
Test: make RunSettingsRoboTests
Change-Id: I9080c9d39095890f3a3ebc7fce839dcf984a92d6

src/com/android/settings/applications/RecentAppsPreferenceController.java

@@ -316,6 +316,9 @@ public class RecentAppsPreferenceController extends AbstractPreferenceController
             Log.d(TAG, "System package, skipping " + pkgName);
             return false;
         }
+        if (AppUtils.isHiddenSystemModule(mContext, pkgName)) {
+            return false;
+        }
         final Intent launchIntent = new Intent().addCategory(Intent.CATEGORY_LAUNCHER)
                 .setPackage(pkgName);