Update raven SVN to 81

Bug: 325156176
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:75f2060945123abce1528e1fbc4828e3541a334c)
Merged-In: Id52b92f08a2ab38985ad4df391d904548c21d8ed
Change-Id: Id52b92f08a2ab38985ad4df391d904548c21d8ed
diff --git a/device-raven.mk b/device-raven.mk
index 1e47e91..82c1bc8 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -212,7 +212,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_VENDOR_PROPERTIES += \
-    ro.vendor.build.svn=80
+    ro.vendor.build.svn=81
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \