Adding history view.

- Initial changes to show a history view within Overview (behind tuner
  flag)
- Restoring the task view dim in the stack

Change-Id: I0503d11768736c86f3145942404391dfacd0ddd6
diff --git a/packages/SystemUI/Android.mk b/packages/SystemUI/Android.mk
index 0cc2a67..ece34fb 100644
--- a/packages/SystemUI/Android.mk
+++ b/packages/SystemUI/Android.mk
@@ -6,7 +6,9 @@
 LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-proto-files-under,src) $(call all-Iaidl-files-under, src) \
     src/com/android/systemui/EventLogTags.logtags
 
-LOCAL_STATIC_JAVA_LIBRARIES := Keyguard
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    Keyguard \
+    android-support-v7-recyclerview
 LOCAL_JAVA_LIBRARIES := telephony-common
 
 LOCAL_PACKAGE_NAME := SystemUI