Update lynx SVN to 12

Bug: 289414927
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6cf45075996b2ba74664880a40100fcad35bbf8a)
Merged-In: Id1c1deb4b83db651e2bbeea318bb6f968b6e31dd
Change-Id: Id1c1deb4b83db651e2bbeea318bb6f968b6e31dd

device-lynx.mk

@@ -203,7 +203,7 @@ PRODUCT_VENDOR_PROPERTIES += \
 
 # Increment the SVN for any official public releases
 PRODUCT_VENDOR_PROPERTIES += \
-    ro.vendor.build.svn=11
+    ro.vendor.build.svn=12
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \