Merge "bass: Get subgroup number index from metadata" into main

            log("no existing SI for update source op");

            return null;

        }

        BluetoothDevice broadcastSource = metaData.getSourceDevice();

        PeriodicAdvertisementResult paRes =

                mService.getPeriodicAdvertisementResult(broadcastSource);

        if (paRes == null) {

            Log.e(TAG, "No matching psync, scan res for update");

            mService.getCallbacks().notifySourceRemoveFailed(

                    mDevice, sourceId, BluetoothStatusCodes.ERROR_UNKNOWN);

            return null;

        }

        // populate metadata from BASE levelOne

        BaseData base = mService.getBase(paRes.getSyncHandle());

        if (base == null) {

            Log.e(TAG, "No valid base data populated for this device");

            mService.getCallbacks().notifySourceRemoveFailed(

                    mDevice, sourceId, BluetoothStatusCodes.ERROR_UNKNOWN);

            return null;

        }

        byte numSubGroups = base.getNumberOfSubgroupsofBIG();

        byte numSubGroups = (byte) metaData.getSubgroups().size();

        byte[] res = new byte[UPDATE_SOURCE_FIXED_LENGTH + numSubGroups * 5];

        int offset = 0;

        // Opcode