RecyclerView testing

Added RecyclerView to gradle settings
Setup recyclerview project to run tests
Added simple tests for RecyclerView to serve as a baseline for future tests

Change-Id: Ibaf3edc048a573ac53bd453e4346041e621badee
diff --git a/settings.gradle b/settings.gradle
index ae8c0d1..2104257 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -13,5 +13,8 @@
 include ':support-mediarouter-v7'
 project(':support-mediarouter-v7').projectDir = new File(rootDir, 'v7/mediarouter')
 
+include ':support-recyclerview-v7'
+project(':support-recyclerview-v7').projectDir = new File(rootDir, 'v7/recyclerview')
+
 include ':support-v13'
 project(':support-v13').projectDir = new File(rootDir, 'v13')