Update Coral SVN to 12 for January Docomo
bug: 144373594
(cherry picked from commit 95b721137b4d6bca01ddb70f62d912dba50bf9ed)

Change-Id: I0004abc85dee441c1b506411d44d613b2335f357
diff --git a/device.mk b/device.mk
index b7e263e..7b8d55b 100644
--- a/device.mk
+++ b/device.mk
@@ -939,7 +939,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.vendor.build.svn=9
+	ro.vendor.build.svn=12
 
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/powerhint.json:$(TARGET_COPY_OUT_VENDOR)/etc/powerhint.json