Make ThreadStatus::InterpretOperationProperties take const uint64_t*

Summary: Make ThreadStatus::InterpretOperationProperties take const uint64_t*

Test Plan:
make
make OPT=-DROCKSDB_LITE shared_lib

Reviewers: igor

Reviewed By: igor

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D38445

include/rocksdb/thread_status.h

@@ -177,7 +177,7 @@ struct ThreadStatus {
   // a property value.
   static std::map<std::string, uint64_t>
       InterpretOperationProperties(
-          OperationType op_type, uint64_t* op_properties);
+          OperationType op_type, const uint64_t* op_properties);
 
   // Obtain the name of a state given its type.
   static const std::string& GetStateName(StateType state_type);

util/thread_status_impl.cc

@@ -67,7 +67,8 @@ const std::string& ThreadStatus::GetOperationPropertyName(
 
 std::map<std::string, uint64_t>
     ThreadStatus::InterpretOperationProperties(
-    ThreadStatus::OperationType op_type, uint64_t* op_properties) {
+    ThreadStatus::OperationType op_type,
+    const uint64_t* op_properties) {
   int num_properties;
   switch (op_type) {
     case OP_COMPACTION:
@@ -145,7 +146,8 @@ const std::string& ThreadStatus::GetOperationPropertyName(
 
 std::map<std::string, uint64_t>
     ThreadStatus::InterpretOperationProperties(
-    ThreadStatus::OperationType op_type, uint64_t* op_properties) {
+    ThreadStatus::OperationType op_type,
+    const uint64_t* op_properties) {
   return std::map<std::string, uint64_t>();
 }