win: Swap win_console and win_windowed for external handler.

Bug: crashpad:377
Change-Id: I2b521b9917228eca928754a266c8f63356e760be
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3201106
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
GitOrigin-RevId: 718d5d52ea4774ba8f63b81e3966263c376c3a91
diff --git a/handler/BUILD.gn b/handler/BUILD.gn
index a697b33..f66da69 100644
--- a/handler/BUILD.gn
+++ b/handler/BUILD.gn
@@ -169,6 +169,11 @@
       if (crashpad_is_in_chromium || crashpad_is_in_dart) {
         remove_configs = [ "//build/config/win:console" ]
         configs = [ "//build/config/win:windowed" ]
+      } else if (crashpad_is_external) {
+        remove_configs =
+            [ "//../../mini_chromium/mini_chromium/build/config:win_console" ]
+        configs =
+            [ "//../../mini_chromium/mini_chromium/build/config:win_windowed" ]
       } else {
         remove_configs = [
           "//third_party/mini_chromium/mini_chromium/build/config:win_console",