Add android.support.v7.recyclerview resources.

This fixes build error of unresolved symbols if you build with Jack
disabled.

Change-Id: I0a9e1288015cc8894b7cdda3130aa8df628092e9
diff --git a/packages/SystemUI/Android.mk b/packages/SystemUI/Android.mk
index ece34fb..eb63e5d 100644
--- a/packages/SystemUI/Android.mk
+++ b/packages/SystemUI/Android.mk
@@ -21,8 +21,11 @@
 
 LOCAL_RESOURCE_DIR := \
     frameworks/base/packages/Keyguard/res \
-    $(LOCAL_PATH)/res
-LOCAL_AAPT_FLAGS := --auto-add-overlay --extra-packages com.android.keyguard
+    $(LOCAL_PATH)/res \
+    frameworks/support/v7/recyclerview/res
+
+LOCAL_AAPT_FLAGS := --auto-add-overlay \
+     --extra-packages com.android.keyguard:android.support.v7.recyclerview
 
 ifneq ($(SYSTEM_UI_INCREMENTAL_BUILDS),)
     LOCAL_PROGUARD_ENABLED := disabled