init: dummy host_init_verifier for mac

Let's start by fixing the build, then see how possible this will be to do fully.

Bug: 110477913
Test: n/a
Change-Id: If52e15bd070781a405c5494631ede033c1067903
diff --git a/init/Android.bp b/init/Android.bp
index 7d863c8..41def21 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -227,39 +227,41 @@
         "liblog",
         "libcutils",
     ],
-    srcs: [
-        "action.cpp",
-        "action_manager.cpp",
-        "action_parser.cpp",
-        "capabilities.cpp",
-        "descriptors.cpp",
-        "epoll.cpp",
-        "keychords.cpp",
-        "import_parser.cpp",
-        "host_import_parser.cpp",
-        "host_init_verifier.cpp",
-        "host_init_stubs.cpp",
-        "parser.cpp",
-        "rlimit_parser.cpp",
-        "tokenizer.cpp",
-        "service.cpp",
-        "subcontext.cpp",
-        "subcontext.proto",
-        "util.cpp",
-    ],
     proto: {
         type: "lite",
     },
-    generated_headers: [
-        "generated_stub_builtin_function_map",
-        "generated_android_ids"
-    ],
     target: {
+        linux: {
+            srcs: [
+                "action.cpp",
+                "action_manager.cpp",
+                "action_parser.cpp",
+                "capabilities.cpp",
+                "descriptors.cpp",
+                "epoll.cpp",
+                "keychords.cpp",
+                "import_parser.cpp",
+                "host_import_parser.cpp",
+                "host_init_verifier.cpp",
+                "host_init_stubs.cpp",
+                "parser.cpp",
+                "rlimit_parser.cpp",
+                "tokenizer.cpp",
+                "service.cpp",
+                "subcontext.cpp",
+                "subcontext.proto",
+                "util.cpp",
+            ],
+            generated_headers: [
+                "generated_stub_builtin_function_map",
+                "generated_android_ids",
+            ],
+        },
         android: {
             enabled: false,
         },
         darwin: {
-            enabled: false,
+            srcs: ["mac_init_verifier.cpp"],
         },
     },
 }