build: Support tags[] arg for more specific build control (#8233)

Support tags[] arg for more specific build control.
Where the underlying bazel primitives support tags[], envoy_() should support them.

Risk Level: Low
Testing: Local on Windows and Linux CI

Signed-off-by: Yechiel Kalmenson <ykalmenson@pivotal.io>

Mirrored from https://github.com/envoyproxy/envoy @ 0bce3a14ab8ac0dbb9e9c3f291b9fc5e4f25ea8d

bazel/api_build_system.bzl

@@ -105,6 +105,7 @@ def api_proto_library(
         visibility = ["//visibility:private"],
         srcs = [],
         deps = [],
+        tags = [],
         external_proto_deps = [],
         external_cc_proto_deps = [],
         external_py_proto_deps = [],
@@ -116,6 +117,7 @@ def api_proto_library(
         name = name,
         srcs = srcs,
         deps = deps + external_proto_deps + _COMMON_PROTO_DEPS,
+        tags = tags,
         visibility = visibility,
     )
     cc_proto_library_name = _Suffix(name, _CC_SUFFIX)