Enable Windows host compilation of libcppbor

Bug: 261908998
Test: Builds using MinGW
Change-Id: I613d2842ed49c904b11260f7971c524cfcf6f778
diff --git a/Android.bp b/Android.bp
index 8f2b64a..469d292 100644
--- a/Android.bp
+++ b/Android.bp
@@ -55,7 +55,12 @@
     shared_libs: [
         "libbase",
         "libcrypto",
-    ]
+    ],
+    target: {
+        windows: {
+            enabled: true,
+        },
+    },
 }
 
 cc_test {