Windows: add another set of typed constants

Migrate constants used by swift-backtrace.

Author: compnerd

stdlib/public/Platform/WinSDK.apinotes

@@ -561,6 +561,8 @@ Globals:
   Type: DWORD
 - Name: PROCESS_QUERY_LIMITED_INFORMATION
   Type: DWORD
+- Name: PROCESS_SUSPEND_RESUME
+  Type: DWORD
 - Name: PROCESS_TERMINATE
   Type: DWORD
 - Name: PROCESS_VM_OPERATION
@@ -689,6 +691,12 @@ Globals:
   Type: DWORD
 - Name: TH32CS_SNAPTHREAD
   Type: DWORD
+- Name: THREAD_GET_CONTEXT
+  Type: DWORD
+- Name: THREAD_QUERY_LIMITED_INFORMATION
+  Type: DWORD
+- Name: THREAD_SUSPEND_RESUME
+  Type: DWORD
 - Name: TME_LEAVE
   Type: DWORD
 - Name: TOKEN_QUERY

stdlib/public/libexec/swift-backtrace/TargetWindows.swift

@@ -230,11 +230,7 @@ class Target {
     self.pid = pid
 
     guard let hProcess = OpenProcess(
-            DWORD(
-              PROCESS_VM_READ
-              | PROCESS_QUERY_LIMITED_INFORMATION
-              | PROCESS_SUSPEND_RESUME
-            ),
+            PROCESS_VM_READ | PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_SUSPEND_RESUME,
             false,
             pid
           ) else {
@@ -259,11 +255,7 @@ class Target {
 
     for thread in threads {
       guard let hThread = OpenThread(
-              DWORD(
-                THREAD_GET_CONTEXT
-                  | THREAD_QUERY_LIMITED_INFORMATION
-                  | THREAD_SUSPEND_RESUME
-              ),
+              THREAD_GET_CONTEXT | THREAD_QUERY_LIMITED_INFORMATION | THREAD_SUSPEND_RESUME,
               false,
               thread
             ) else {
@@ -493,9 +485,7 @@ class Target {
                                 nil,
                                 nil,
                                 false,
-                                DWORD(NORMAL_PRIORITY_CLASS
-                                      | CREATE_NEW_CONSOLE
-                                      | CREATE_NEW_PROCESS_GROUP),
+                                NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE | CREATE_NEW_PROCESS_GROUP,
                                 nil,
                                 nil,
                                 &startupInfo,