fixup! docs: generate adev-compatible api json

Author: mmalerba

tools/adev-api-extraction/extract_api_to_json.bzl

@@ -53,7 +53,7 @@ def _extract_api_to_json(ctx):
         outputs = [json_output],
         arguments = [args],
         env = {
-            "BAZEL_BINDIR": ctx.bin_dir.path,
+            "BAZEL_BINDIR": ".",
         },
     )