Merge "Better iteration over mCurrentOperations in cancelBackups"

        }

        final long oldToken = Binder.clearCallingIdentity();

        try {

            List<Integer> operationsToCancel = new ArrayList<>();

            synchronized (mCurrentOpLock) {

                for (int i = 0; i < mCurrentOperations.size(); i++) {

                    Operation op = mCurrentOperations.valueAt(i);

                    int token = mCurrentOperations.keyAt(i);

                    if (op.type == OP_TYPE_BACKUP) {

                        handleCancel(token, true /* cancelAll */);

                        operationsToCancel.add(token);

                    }

                }

                for (Integer token : operationsToCancel) {

                    handleCancel(token, true /* cancelAll */);

                }

            }