Update SVN to 9 for May Release
bug: 74345861
(cherry picked from commit 294cd6b8d899ff28f13639abeaebc56e48e392e6)

Change-Id: I77fa2be0d945fa5f7e98632a6d84205af0651184
diff --git a/device.mk b/device.mk
index 89319f4..654393b 100755
--- a/device.mk
+++ b/device.mk
@@ -23,7 +23,7 @@
 
 # Set the SVN for the targeted MR release
 PRODUCT_PROPERTY_OVERRIDES += \
-    ro.vendor.build.svn=8
+    ro.vendor.build.svn=9
 
 # Enforce privapp-permissions whitelist
 PRODUCT_PROPERTY_OVERRIDES += \