Merge "Initialize settings only for default device during boot" into main

        SettingsState.cacheSystemPackageNamesAndSystemSignature(getContext());

        synchronized (mLock) {

            mSettingsRegistry.migrateAllLegacySettingsIfNeededLocked();

            final List<Integer> deviceIds = getDeviceIds();

            for (UserInfo user : mUserManager.getAliveUsers()) {

                for (int deviceId : deviceIds) {

                    mSettingsRegistry.ensureSettingsForUserAndDeviceLocked(user.id, deviceId);

                }

                // Only the default device would be available during boot.

                mSettingsRegistry.ensureSettingsForUserAndDeviceLocked(user.id,

                        Context.DEVICE_ID_DEFAULT);

            }

            mSettingsRegistry.syncSsaidTableOnStartLocked();

        }