Fix Kernel Target (#551)

Summary:
Pull Request resolved: #551

The Bento Kernel target was too narrow, this diff just expands it

Reviewed By: Olivia-liu

Differential Revision: D49793156

fbshipit-source-id: fc7dd54e7a5d69bf6965ec87ba923e3c8a51eb3a

Author: Jack-Khuu

sdk/TARGETS

@@ -0,0 +1,11 @@
+load("@fbcode_macros//build_defs:python_library.bzl", "python_library")
+
+oncall("executorch")
+
+python_library(
+    name = "lib",
+    srcs = ["__init__.py"],
+    deps = [
+        "//executorch/sdk/etrecord:etrecord",
+    ],
+)