Add flang WoA bot to monitor page

We have added a new dedicated WoA flang bot. This patch adds
flang-arm64-windows-msvc builder to monitor page. Also remove
clang-arm64-windows-msvc from flang bots as it no longer build
flang.

Change-Id: Ia3174dec0942fb94fddf23b13af53bf2edf4a385
diff --git a/monitor/linaro.json b/monitor/linaro.json
index 427a6db..eb222f4 100644
--- a/monitor/linaro.json
+++ b/monitor/linaro.json
@@ -47,6 +47,7 @@
         "bots": [
           { "name": "clang-arm64-windows-msvc" },
           { "name": "clang-arm64-windows-msvc-2stage" },
+          { "name": "flang-arm64-windows-msvc" },
           { "name": "lldb-aarch64-windows" }
         ]
       },
@@ -62,7 +63,7 @@
         "name": "Flang",
         "bots": [
           { "name": "clang-aarch64-full-2stage" },
-          { "name": "clang-arm64-windows-msvc" },
+          { "name": "flang-arm64-windows-msvc" },
           { "name": "clang-arm64-windows-msvc-2stage" },
           { "name": "clang-aarch64-sve-vla" },
           { "name": "clang-aarch64-sve-vla-2stage" },