Update barbet SVN to 20
Bug:  223313197

Change-Id: Ib27feba196ecf6bb022b78ffcfa362b7b2cd0413
(cherry picked from commit cdcea30f270c82f178ef59029dd5913fb4272030)
Merged-In: Ib27feba196ecf6bb022b78ffcfa362b7b2cd0413
diff --git a/device-barbet.mk b/device-barbet.mk
index 960c189..1a11257 100644
--- a/device-barbet.mk
+++ b/device-barbet.mk
@@ -39,7 +39,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-    ro.vendor.build.svn=19
+    ro.vendor.build.svn=20
 
 # Enable watchdog timeout loop breaker.
 PRODUCT_PROPERTY_OVERRIDES += \