内存操作类型。

msptiActivityMemoryOperationType为msptiActivityMemory调用的枚举类，定义如下：

typedef enum {
	MSPTI_ACTIVITY_MEMORY_OPERATION_TYPE_ALLOCATION = 0,    // 分配内存
	MSPTI_ACTIVITY_MEMORY_OPERATION_TYPE_RELEASE = 1    // 释放内存
} msptiActivityMemoryOperationType;