Update lynx SVN to 31

Bug: 313797924
Change-Id: I24599a118bebe5db84c0ffc2df00e9d554c64ddd

device-lynx.mk

@@ -223,7 +223,7 @@ PRODUCT_VENDOR_PROPERTIES += \
 
 # Increment the SVN for any official public releases
 PRODUCT_VENDOR_PROPERTIES += \
-    ro.vendor.build.svn=30
+    ro.vendor.build.svn=31
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \