add _M_ARM64 support

¯\_(ツ)_/¯

Cq-Include-Trybots: skia.primary:Build-Win-MSVC-arm64-Debug
Change-Id: I48dd439fffff004c9ee7f36ecbe834a964286726
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208279
Commit-Queue: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/tools/CrashHandler.cpp b/tools/CrashHandler.cpp
index fa322e3..ed01ee0 100644
--- a/tools/CrashHandler.cpp
+++ b/tools/CrashHandler.cpp
@@ -156,6 +156,11 @@
             frame.AddrStack.Offset = c->Rsp;
             frame.AddrFrame.Offset = c->Rbp;
             const DWORD machineType = IMAGE_FILE_MACHINE_AMD64;
+        #elif defined(_M_ARM64)
+            frame.AddrPC.Offset    = c->Pc;
+            frame.AddrStack.Offset = c->Sp;
+            frame.AddrFrame.Offset = c->Fp;
+            const DWORD machineType = IMAGE_FILE_MACHINE_ARM64;
         #endif
 
             while (StackWalk64(machineType,