[build] MVP for building with bazel (#6994)

thirdparty/googletest/BUILD.bazel

@@ -0,0 +1,10 @@
+load("@rules_cc//cc:defs.bzl", "cc_library")
+
+cc_library(
+    name = "googletest.static",
+    srcs = glob(["src/**"]),
+    hdrs = glob(["include/**"]),
+    includes = ["src/googletest"],
+    strip_include_prefix = "include",
+    visibility = ["//visibility:public"],
+)