Update lynx SVN to 20 am: 771547b88e

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/24896429

Change-Id: Ia9f87ec303f00457d0647452dd59ac8e9215f987
Signed-off-by: Automerger Merge Worker <[email protected]>

device-lynx.mk

@@ -206,7 +206,7 @@ PRODUCT_VENDOR_PROPERTIES += \
 
 # Increment the SVN for any official public releases
 PRODUCT_VENDOR_PROPERTIES += \
-    ro.vendor.build.svn=19
+    ro.vendor.build.svn=20
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \