sepolicy : Recommend fuzzers for new services

Adding soong module and tool to check if there is fuzzer present
for every service in private/service_contexts. Whenever a service is
added, its is recommended to update
$ANDROID_BUILD_TOP/system/sepolicy/soong/build/service_fuzzer_bindings.go
with service name and its corresponding fuzzer.

Test: m
Bug: 242104782
Change-Id: Id9bc45f50bebf464de7c91c7469d4bb6ff153ebd
diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 99dd662..83b31b4 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -43,6 +43,8 @@
         "sepolicy_neverallow.go",
         "sepolicy_vers.go",
         "versioned_policy.go",
+        "service_fuzzer_bindings.go",
+        "validate_bindings.go",
     ],
     pluginFor: ["soong_build"],
 }