Adds ReactiveStreams extensions support for LiveData.

Test: LiveDataReactiveStreamsTest
Bug: 34847055
Change-Id: Ia00f3f99f2f5da43e7c0aafad664d5f9e2be5cff
diff --git a/app-toolkit/settings.gradle b/app-toolkit/settings.gradle
index 09a6b20..a3651a7 100644
--- a/app-toolkit/settings.gradle
+++ b/app-toolkit/settings.gradle
@@ -23,6 +23,9 @@
 include ':lifecycle:extensions'
 project(':lifecycle:extensions').projectDir = new File("../lifecycle/extensions")
 
+include ':lifecycle:reactivestreams'
+project(':lifecycle:reactivestreams').projectDir = new File("../lifecycle/reactivestreams")
+
 include ':lifecycle:runtime'
 project(':lifecycle:runtime').projectDir = new File("../lifecycle/runtime")