Migration needed for incompatible_no_implicit_file_export

[hofbi]

See https://buildkite.com/bazel/bcr-bazel-compatibility-test/builds/723/steps/canvas?sid=019b8ddb-dbb7-4484-862d-7f6d0821a10e#019b8ddb-de35-4606-a593-aaf686040539/L630

Found while working on bazelbuild/bazel#27674 (comment)

[ted-xie]

Ths error:

(11:29:17) ERROR: /var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/ae37df81824fdbbf9ef22450f6686359/external/rules_android+/toolchains/android/BUILD:22:18: in android_toolchain rule @@rules_android+//toolchains/android:android_default: Visibility error:
target '@@rules_android++android_sdk_repository_extension+androidsdk//:platform-tools/adb' is not visible from
target '@@rules_android+//toolchains/android:android_default'

[hofbi]

@ted-xie Is this something you would want to fix our should I create a PR to disable the flag for now?