Add missing redirect (#697)

* Add missing redirect

* Apply suggestion from @reakaleek

Author: reakaleek

docs/redirects.yml

@@ -1,5 +1,6 @@
 # Related to https://github.com/elastic/opentelemetry/issues/228
 redirects:
+  'release-notes/apm/agents/android/index.md': 'release-notes/index.md'
   'reference/apm/agents/android/index.md': 'reference/edot-android/index.md'
   'reference/apm/agents/android/getting-started.md': 'reference/edot-android/getting-started.md'
   'reference/apm/agents/android/configuration.md': 'reference/edot-android/configuration.md'