Merge "Clear identity when asking for other users." into pi-dev

            mGenerationRegistry.incrementGeneration(key);

            if (isGlobalSettingsKey(key)) {

                final long token = Binder.clearCallingIdentity();

                try {

                    if (Global.LOCATION_GLOBAL_KILL_SWITCH.equals(name)) {

                        // When the global kill switch is updated, send the

                        // change notification for the location setting.

                        notifyLocationChangeForRunningUsers();

                    }

                    notifyGlobalSettingChangeForRunningUsers(key, name);

                } finally {

                    Binder.restoreCallingIdentity(token);

                }

            } else {

                final int userId = getUserIdFromKey(key);

                final Uri uri = getNotificationUriFor(key, name);