Add recyclerview to support libs docs

Change-Id: Ibe863e4b1930670353e6e0658fbc83e694dec3a4
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 5dfc543..9363271 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -109,6 +109,7 @@
         v7/gridlayout \
         v7/appcompat \
         v7/mediarouter \
+        v7/recyclerview \
         v8/renderscript \
         v13