Add python script to replace query baselines (#28735)

Usage: `python .\tools\ReplaceQueryBaseline.py`
(or can invoke inside tools directory too)

tools/ReplaceQueryBaseline.py

@@ -0,0 +1,69 @@
+import os
+
+repository_path = os.getcwd()
+if repository_path.endswith("tools"):
+    repository_path = repository_path[:-6]
+
+repository_path = repository_path + os.sep
+query_base_line_path = repository_path + "QueryBaseline.txt"
+
+map = { }
+for a in open(query_base_line_path).read().split("\n\n--------------------"):
+    i = -1
+    for b in a.split("\n"):
+        if (i == -1):
+            lines = b.split("\n")
+            number_string = lines[0].split(" : ")[-1]
+            if (number_string == ''):
+                continue
+            test_name_parts = lines[0].split(" : ")[0].split(".")
+            if test_name_parts[2] == "Query" or test_name_parts[2] == "BulkUpdates":
+                test_file_identifier = test_name_parts[2] + "\\" + test_name_parts[3] + ".cs"
+            else:
+                test_file_identifier = test_name_parts[2] + ".cs"
+            test_provider = None
+            if (test_file_identifier.find("SqlServer") != -1):
+                test_provider = "SqlServer"
+            elif (test_file_identifier.find("Sqlite") != -1):
+                test_provider = "Sqlite"
+            elif (test_file_identifier.find("Cosmos") != -1):
+                test_provider = "Cosmos"
+
+            if test_provider is None:
+                continue
+            if test_provider not in map:
+                map[test_provider] = {}
+            if test_file_identifier not in map[test_provider]:
+                map[test_provider][test_file_identifier] = {}
+            test_line_number = int(number_string)
+            map[test_provider][test_file_identifier][test_line_number] = []
+            i = i + 1
+            continue
+        i = i + 1
+        map[test_provider][test_file_identifier][test_line_number].append(b)
+
+
+for provider in map.keys():
+    test_directory = repository_path + "test\\EFCore." + provider + ".FunctionalTests\\"
+    for f in map[provider].keys():
+        test_file_path = test_directory + f
+        test_file_lines = open(test_file_path).readlines()
+        keys = list(map[provider][f].keys())
+        keys.sort()
+        offset = 0
+        for k in keys:
+            index = k - 1 + offset
+            while True:
+                if (test_file_lines[index].strip() == "}"):
+                    new_lines = map[provider][f][k][:-1]
+                    new_lines.reverse()
+                    for l in new_lines:
+                        test_file_lines.insert(index, l + "\n")
+                        offset = offset + 1
+                    break
+                offset = offset - 1
+                del test_file_lines[index]
+
+        open(test_file_path, "w+").writelines(test_file_lines)
+
+open(query_base_line_path, "w").truncate()