Deleting the WallpaperPicker code inside launcher.
Instead linking it to the packages/apps/WallpaperPicker project

Change-Id: Ib6830b180a22c22afece01e0a4f6e94e89d6452b
diff --git a/Android.mk b/Android.mk
index 1dde46b..0773869 100644
--- a/Android.mk
+++ b/Android.mk
@@ -24,14 +24,14 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
+    libWallpaperPicker \
     android-support-v4 \
     android-support-v7-recyclerview
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src) \
-    $(call all-java-files-under, WallpaperPicker/src) \
     $(call all-proto-files-under, protos)
 
-LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/WallpaperPicker/res \
+LOCAL_RESOURCE_DIR := packages/apps/WallpaperPicker/res \
     $(LOCAL_PATH)/res \
     prebuilts/sdk/current/support/v7/recyclerview/res
 
@@ -41,7 +41,8 @@
 LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/
 LOCAL_AAPT_FLAGS := \
     --auto-add-overlay \
-    --extra-packages android.support.v7.recyclerview
+    --extra-packages android.support.v7.recyclerview \
+    --extra-packages com.android.wallpaperpicker
 
 LOCAL_SDK_VERSION := current
 LOCAL_PACKAGE_NAME := Launcher3