Set wahoo SVN to 38

bug:144373594
(cherry picked from commit 2aec5d4f606d6c9701f094f586d08252901848ea)

Change-Id: I04f359c0f4a14112b6bb3093920e1280b932669e
diff --git a/device.mk b/device.mk
index 1528ef4..3f64ad4 100755
--- a/device.mk
+++ b/device.mk
@@ -47,7 +47,7 @@
 
 # Set the SVN for the targeted MR release
 PRODUCT_PROPERTY_OVERRIDES += \
-    ro.vendor.build.svn=37
+    ro.vendor.build.svn=38
 
 # Enforce privapp-permissions whitelist
 PRODUCT_PROPERTY_OVERRIDES += \