Update lynx SVN to 15 am: 298ba980a2 am: 6d1b69dcd9

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/24392319

Change-Id: If03a9c6aa519e1bcefd6075fed8371b5176a9a24
Signed-off-by: Automerger Merge Worker <[email protected]>

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=14
+    ro.vendor.build.svn=15
 
 # Set support hide display cutout feature
 PRODUCT_PRODUCT_PROPERTIES += \