Update lynx SVN to 21 am: 86a5650a25

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/24896514

Change-Id: I510fe990485c54216b3c9c191ef9b48814418930
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=20
+    ro.vendor.build.svn=21
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \