message: Tag inference engine build targets as manual
diff: @@ -94,6 +94,7 @@ minigo_cc_library(
  name = "inference_server",
  srcs = ["inference_server.cc"],
  hdrs = ["inference_server.h"],
  + tags = ["manual"],
  deps = [
  ":dual_net",
  "//cc:thread_safe_queue",
  @@ -109,6 +110,7 @@ minigo_cc_library(
  name = "tf_dual_net",
  srcs = ["tf_dual_net.cc"],
  hdrs = ["tf_dual_net.h"],
  + tags = ["manual"],
  deps = [
  ":dual_net",
  "//cc:base",
  @@ -123,6 +125,7 @@ minigo_cc_library(
  name = "lite_dual_net",
  srcs = ["lite_dual_net.cc"],
  hdrs = ["lite_dual_net.h"],
  + tags = ["manual"],
  deps = [
  ":dual_net",
  "//cc:base",
  