Build _scproxy for Mac

This is required for the urllib module.

Test: py2-cmd -murllib
Change-Id: Ifaa4e92e5c95b86fbf9eb397d4b4929db77de3a1
diff --git a/Android.bp b/Android.bp
index aba4538..b6dc00e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -237,6 +237,12 @@
         linux_glibc_x86_64: {
             host_ldlibs: ["-lutil"],
         },
+        darwin: {
+            host_ldlibs: [
+                "-framework SystemConfiguration",
+                "-framework CoreFoundation",
+            ],
+        },
         host: {
             static_libs: ["libsqlite"],
         },
@@ -331,6 +337,11 @@
         "py2-c-module-_ctypes_test",
         "py2-c-module-_ctypes",
     ],
+    target: {
+        darwin: {
+            whole_static_libs: ["py2-c-module-_scproxy"],
+        },
+    },
 }
 
 cc_binary {
@@ -937,3 +948,14 @@
         },
     },
 }
+
+cc_library_host_static {
+    name: "py2-c-module-_scproxy",
+    defaults: ["py2-interp-defaults"],
+    srcs: ["Mac/Modules/_scproxy.c"],
+    target: {
+        linux: {
+            enabled: false,
+        },
+    },
+}