Update Coral SVN to 30

Bug: 170492812
Change-Id: I55f824eff28d7b3b90dd0a70678ae2a91574a6df
diff --git a/device.mk b/device.mk
index c257443..d6546ea 100644
--- a/device.mk
+++ b/device.mk
@@ -967,7 +967,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.vendor.build.svn=29
+	ro.vendor.build.svn=30
 
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/powerhint.json:$(TARGET_COPY_OUT_VENDOR)/etc/powerhint.json