[ggj][infra][2/5] feat: bazel rules support for Asset API integration test (#394)

* add goldens files for redis client lib

* add bazel file

* format

* add todo comment for Redis client lib goldens

* add README to integration test goldens folder

* update redis goldens using micro

* add bazel rules

* remove package-info

* add bazel rules for integration test

* take api name as arg

* feedback

* work

* emit diff to test.log

* fix diff command

* rename

* add bazel rules

* update asset client lib goldens

Author: xiaozhenliu-gg5

test/integration/BUILD.bazel

@@ -61,3 +61,10 @@ integration_test(
     target = ":redis_java_gapic",
     data = ["//test/integration/goldens/redis:goldens_files"],
 )
+
+integration_test(
+    name = "asset",
+    target = ":asset_java_gapic",
+    data = ["//test/integration/goldens/asset:goldens_files"],
+)
+