message: Make wasm/ext targets visible.
diff: @@ -16,6 +16,7 @@ envoy_cc_library(
  "envoy_null_vm_wasm_api.h",
  "envoy_proxy_wasm_api.h",
  ],
  + visibility = ["//visibility:public"],
  deps = [
  "@proxy_wasm_cpp_sdk//:api_lib",
  "@proxy_wasm_cpp_sdk//:common_lib",
  @@ -28,6 +29,7 @@ envoy_cc_library(
  "envoy_null_plugin.h",
  "envoy_proxy_wasm_api.h",
  ],
  + visibility = ["//visibility:public"],
  deps = [
  ":declare_property_cc_proto",
  "//source/common/grpc:async_client_lib",
  @@ -41,6 +43,7 @@ cc_library(
  srcs = ["envoy_proxy_wasm_api.cc"],
  hdrs = ["envoy_proxy_wasm_api.h"],
  tags = ["manual"],
  + visibility = ["//visibility:public"],
  deps = [
  ":declare_property_cc_proto",
  "@proxy_wasm_cpp_sdk//:proxy_wasm_intrinsics",
  @@ -52,11 +55,13 @@ cc_library(
  proto_library(
  name = "declare_property_proto",
  srcs = ["declare_property.proto"],
  + visibility = ["//visibility:public"],
  )
  # NB: this target is compiled both to native code and to Wasm. Hence the generic rule.
  cc_proto_library(
  name = "declare_property_cc_proto",
  + visibility = ["//visibility:public"],
  deps = [":declare_property_proto"],
  )
  