Rename utils.bzl to android_product.bzl

Bug: 269577299
Test: b build --config=android `bmod com.android.adbd`
Change-Id: I93743a058a4f700e015cdd1c51544467a29d4fe6
diff --git a/bp2build/bp2build_product_config.go b/bp2build/bp2build_product_config.go
index 3eec439..d915d6b 100644
--- a/bp2build/bp2build_product_config.go
+++ b/bp2build/bp2build_product_config.go
@@ -53,7 +53,7 @@
     "@//build/bazel/product_config:__subpackages__",
 ])
 load(":soong.variables.bzl", _soong_variables = "variables")
-load("@//build/bazel/product_config:utils.bzl", "android_product")
+load("@//build/bazel/product_config:android_product.bzl", "android_product")
 
 android_product(
     name = "{PRODUCT}-{VARIANT}",