Update Crosshatch SVN to 47

Bug: 177091143
Change-Id: Ia2b22cfb1c2fcfeb54dc92617a09b08a34cf708c
(cherry picked from commit c9bdc80942e3904ff38fd7ae7f1334138fe37801)
diff --git a/device.mk b/device.mk
index e18b22d..7bedbe9 100644
--- a/device.mk
+++ b/device.mk
@@ -841,7 +841,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-    ro.vendor.build.svn=45
+    ro.vendor.build.svn=47
 
 PRODUCT_PRODUCT_PROPERTIES += \
     ro.adb.secure=1