Disabling rules_android and rules_android_ndk (#2160)

Disabling rules_android and rules_android_ndk as there is no much
response and failures are seeing in the downstream from long period.

rules_android
https://github.com/bazelbuild/rules_android/issues/261
https://github.com/bazelbuild/rules_android/issues/266
https://github.com/bazelbuild/rules_android/issues/328

rules_android_ndk
https://github.com/bazelbuild/rules_android_ndk/issues/83
https://github.com/bazelbuild/rules_android_ndk/issues/86
https://github.com/bazelbuild/rules_android_ndk/issues/88
diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index 2fc8a69..a735e5c 100755
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -207,11 +207,13 @@
         "git_repository": "https://github.com/bazelbuild/rules_android.git",
         "pipeline_slug": "rules-android",
         "owned_by_bazel": True,
+        "disabled_reason": "https://github.com/bazelbuild/rules_android/issues/261, https://github.com/bazelbuild/rules_android/issues/266, https://github.com/bazelbuild/rules_android/issues/328"
     },
     "rules_android_ndk": {
         "git_repository": "https://github.com/bazelbuild/rules_android_ndk.git",
         "pipeline_slug": "rules-android-ndk",
         "owned_by_bazel": True,
+        "disabled_reason": "https://github.com/bazelbuild/rules_android_ndk/issues/83, https://github.com/bazelbuild/rules_android_ndk/issues/86, https://github.com/bazelbuild/rules_android_ndk/issues/88",
     },
     "rules_cc": {
         "git_repository": "https://github.com/bazelbuild/rules_cc.git",