Adds ReactiveStreams extensions support for LiveData.

Test: LiveDataReactiveStreamsTest
Bug: 34847055
Change-Id: Ia00f3f99f2f5da43e7c0aafad664d5f9e2be5cff
diff --git a/app-toolkit/init.gradle b/app-toolkit/init.gradle
index f88900f..f7c684e 100644
--- a/app-toolkit/init.gradle
+++ b/app-toolkit/init.gradle
@@ -77,6 +77,8 @@
 ext.espresso_version = "2.2.2"
 ext.release_version = "1.0-SNAPSHOT"
 ext.atsl_version = "0.6-alpha"
+ext.rxjava2_version = "2.0.6"
+ext.reactivestreams_version = "1.0.0"
 // this Xerial version is newer than we want but we need it to fix
 // https://github.com/xerial/sqlite-jdbc/issues/97
 ext.xerial_version = "3.16.1"
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")