fix(bazel): add missing binary path for api-extractor (#29202)

`api-extractor` binary is required for external consumers of `ng_module` that want to use the `bundle_dts` flag.

This also sets a different api-exttractor binary to use for ng_module, based if it's internal or external.

PR Close #29202

packages/compiler-cli/integrationtest/bazel/ng_module/BUILD.bazel

@@ -6,6 +6,7 @@ ng_module(
     name = "test_module",
     testonly = True,
     srcs = glob(["*.ts"]),
+    api_extractor = "//packages/bazel/src/api-extractor:api_extractor",
     compiler = "//packages/bazel/src/ngc-wrapped",
     entry_point = "index.ts",
     flat_module_out_file = "flat_module_filename",