Add default_visibility for soong modules

So that we don't get surprise usages.

Bug: 348717861
Test: m nothing
Change-Id: I47319a727092c1bd936cca88f5713ee977a48b48

testing/code_metadata_internal_proto/Android.bp

@@ -20,10 +20,14 @@ bootstrap_go_package {
     name: "soong-testing-code_metadata_internal_proto",
     pkgPath: "android/soong/testing/code_metadata_internal_proto",
     deps: [
-            "golang-protobuf-reflect-protoreflect",
-            "golang-protobuf-runtime-protoimpl",
-        ],
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "code_metadata_internal.pb.go",
     ],
+    visibility: [
+        "//build/make/tools/metadata",
+        "//build/soong:__subpackages__",
+    ],
 }

testing/code_metadata_proto/Android.bp

@@ -26,6 +26,7 @@ bootstrap_go_package {
     srcs: [
         "code_metadata.pb.go",
     ],
+    visibility: ["//build/make/tools/metadata"],
 }
 
 python_library_host {
@@ -40,4 +41,5 @@ python_library_host {
     proto: {
         canonical_path_from_root: false,
     },
+    visibility: ["//tools/asuite/team_build_scripts"],
 }

testing/test_spec_proto/Android.bp

@@ -26,6 +26,11 @@ bootstrap_go_package {
     srcs: [
         "test_spec.pb.go",
     ],
+    visibility: [
+        "//build/make/tools/metadata",
+        "//build/soong:__subpackages__",
+        "//vendor:__subpackages__",
+    ],
 }
 
 python_library_host {
@@ -40,4 +45,5 @@ python_library_host {
     proto: {
         canonical_path_from_root: false,
     },
+    visibility: ["//tools/asuite/team_build_scripts"],
 }